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US20040129283A1 - Paper for smoking articles - Google Patents

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Publication number
US20040129283A1
US20040129283A1 US10/740,620 US74062003A US2004129283A1 US 20040129283 A1 US20040129283 A1 US 20040129283A1 US 74062003 A US74062003 A US 74062003A US 2004129283 A1 US2004129283 A1 US 2004129283A1
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Prior art keywords
paper
water
burn
paper according
group
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Abandoned
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US10/740,620
Inventor
Johannes Trummer
Thomas Fritzsching
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JULIUS GLATZ GmbH
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JULIUS GLATZ GmbH
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Assigned to JULIUS GLATZ GMBH reassignment JULIUS GLATZ GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FRITZSCHING, THOMAS, TRUMMER, JOHANNES M.
Publication of US20040129283A1 publication Critical patent/US20040129283A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers

Definitions

  • the present invention relates to paper for making filter wrappers or mouth pieces of smoking articles.
  • a big problem are smoking articles, for example cigarettes, which, when left unsupervised ignite their substrate. There has been, therefore, no lack of attempts to alter the papers used in the manufacture of smoking articles, for example cigarettes, in such a way that the tobacco ember self-extinguishes when the smoker does not take a puff for a certain period of time. See, for example, DE 34 29 260 A, EP 0 262 550 A, U.S. Pat. No. 4,044,778, and also U.S. Pat. No. 5,191,906.
  • the cigarette paper disclosed in DE 34 29 260 A has a base wrapper construction containing cellulose fibers, which under normal circumstances does not burn.
  • This base wrapper receives a plurality of zones, which are treated with a burn-promoting additive.
  • the tobacco part burns down until it reaches a non-treated paper zone and extinguishes.
  • the zones differ in their BMI (Burn Mode Index) value.
  • BMI Battery Mode Index
  • the cigarette paper described in EP 0 262 550 A also has varying zones, which differ in their combustibility.
  • This cigarette paper has a base wrapper, which contains 30% calcium carbonate as filler and a portion of potassium citrate as a burn-promoting additive. To this base wrapper, encircling bands of a filler-free paper material are attached. The tobacco ember extinguishes when it reaches this filler-free paper zone
  • GB 528 190 A discloses cigarette papers, the ashes of which are stabilized.
  • Non-combustible fibers are added to the cigarette paper. These fibers are made from glass, asbestos, or clay.
  • the clay fibers are produced by extruding a Bentonite-Gel, which is subsequently dried so that the finished clay fibers have the microscopic, chemical, and heat resistant characteristics of mica. The heat resistance of the clay fibers is repeated several times in the patent. Because only burned clay is heat-proof, ceramic fibers of burned clay are added to the cigarette paper.
  • a cigarette paper is known that is designed to reduce pollutants in the tobacco smoke.
  • the cigarette paper is printed with pigments, which contain bentonite, among other things. Bentonite, however, because of its thixotropic characteristics, is a common additive to all printer colors. It is also known that bentonite absorbs foreign matter. Whether or not the cigarette paper disclosed in this patent reduces or extinguishes the smolder zone is not disclosed.
  • U.S. Pat. No. 4,805,644 discloses a cigarette paper that should reduce sidestream smoke. To accomplish this, fillers are added to the paper, which, according to the explicit specification in this patent, must be thermally stabile. This means that these fillers do not have a liquid phase during heating, otherwise they would transform. Furthermore, it is stated in this patent that the paper ashes have a normal appearance. However, the pigments used in the invention as burn inhibitors change the appearance of the ashes, as will be illustrated in the drawings.
  • Adding to the burn problem is the fact that the mouth piece papers are printed with a cork-like pattern.
  • the conventionally used printer ink contains iron-3-oxide as dye and nitro-cellulose as a bonding material. Both substances are good burn promoters so that unprinted paper has the desired features, but loses these features again once it is printed.
  • Phyllosilicates were found to be particularly suitable, and particularly water-absorbing three-layer silicates, such as smectites.
  • Particularly suited among the mineral group of the smectites are montmorillonite, beidellite, hectorite and/or saponite.
  • the pigments have a specific surface area according to BET between 5 and 1000 m 2 /g and/or a pore volume between 0.01 and 1.0 ml/g. Thereby the faster the adsorptively bound water is released, the better the burn-inhibiting effect is.
  • the layered silicates of this invention only dispose of the adsorptively bound water at temperatures, which are higher than the temperatures in the drying zone of the paper machine. On the other hand, they should dispose of the adsorptively bound water early and quickly enough so that the burn-inhibiting effect takes place on time.
  • Optimal effect in this sense show pigments, which form DTA (Differential Thermal Analysis) peaks for the disposal of adsorptively bound water at a temperature range of between 100 and 200° C.
  • the burn-inhibiting features of the pigments of this invention are so good, that the paper can be produced with a relatively high air permeability. Values of 0,5 up to 20 Coresta Units (CU) have no influence on the burn-inhibiting effect.
  • the mouth piece papers can be perforated electrostatically or by laser without causing production problems as have been found, for example, with paper filled with china (porcelain) clay.
  • pigments can either be produced synthetically or be of natural origin. Thus, a sufficiently large selection is available.
  • the processability of the pigments of this invention is outstanding. They can already be mixed in with the paper mass, before it is put onto the paper machine. In this scenario, the pigments are evenly distributed in the paper.
  • the burn-inhibiting effect can also be achieved by distributing the pigments evenly over the paper surface. This can be done either on the paper machine itself or in a special processing step.
  • FIG. 1 is an unprinted conventional mouth piece paper
  • FIG. 2 is the printed mouth piece paper of FIG. 1;
  • FIG. 3 is an unprinted paper using hectorite as a burn-inhibiting pigment, according to a preferred embodiment of the present invention.
  • FIG. 4 is the printed paper of FIG. 3;
  • FIG. 5 is an unprinted paper using montmorillonite as a burn-inhibiting pigment, according to a preferred embodiment of the present invention.
  • FIG. 6 is the printed paper of FIG. 5;
  • FIG. 7 is a paper with pigments distributed in a zone-shaped manner, according to a preferred embodiment of the present invention.
  • FIG. 8 is a paper with pigments being distributed in a strip-shaped manner, according to a preferred embodiment of the present invention.
  • FIG. 9 is a paper with pigments distributed in a cross-shaped manner, according to a preferred embodiment of the present invention.
  • FIG. 1 illustrates an unprinted conventional mouth piece paper with burn holes.
  • the bum holes were made by holding a smoldering cigarette to the freely hanging paper. The result were burn holes with a diameter of 50 mm and above.
  • FIG. 2 shows the mouth piece paper of FIG. 1, but printed.
  • the iron-3-oxide and the nitrocellulose contained in the printer's ink have characteristics that promote the smoldering of the paper. For that reason, the smoldering edges of the burn holes had to be extinguished to avoid a complete burning of the paper.
  • FIG. 3 shows an unprinted mouth piece paper, to which hectorite was added.
  • the burn holes have a maximum diameter of 10 mm.
  • FIG. 4 shows the mouth piece paper of FIG. 3, but printed with printer ink, as described herein above. Due to the burn-promoting characteristics of the printer ink, the burn holes have a larger diameter, whereby 15 mm, however, were not exceeded.
  • FIG. 5 shows an unprinted mouth piece paper, with montmorillonite being used as a burn-inhibiting pigment. It can be seen that the burn holes are even smaller than the ones where hectorite was used, as is shown in FIG. 3
  • FIG. 6 illustrates the outstanding effect of montmorillonite even on a mouth piece paper that was printed with the burn-promoting printer ink previously described.
  • the burn holes are only slightly larger than the ones in FIG. 5.
  • FIGS. 7, 8, and 9 each show a mouth piece paper, with the burn-inhibiting pigments, according to a preferred embodiment of the present invention, being distributed in a zone-shaped, strip-shaped and/or cross-shaped manner, respectively.

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  • Paper (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

Paper having a reduced smolder and burn tendencies for producing wrappers for smoking articles, for example cigarettes, is provided by adding phyllosilicates with water-absorbing capacities to the paper.

Description

  • This nonprovisional application claims priority under 35 U.S.C. § 119(a) on European Patent Application No. 02028960.9 filed in the European Patent Office on Dec. 24, 2002, which is herein incorporated by reference.[0001]
    • BACKGROUND OF THE INVENTION
  • 1. Field of the Invention [0002]
  • The present invention relates to paper for making filter wrappers or mouth pieces of smoking articles. [0003]
  • 2. Description of the Background Art [0004]
  • There is an almost incalculable number of formulas for cigarette papers, filter wrappers and mouth piece papers. These papers are made of cellulose, to which fillers are added. By adding different fillers, the characteristics of the smoking article can be manipulated as desired. For example, by adding the appropriate fillers, a stabile or white band of ashes can be obtained. Other fillers reduce the sidestream smoke. Yet other fillers regulate the smolder characteristics etc. [0005]
  • A big problem are smoking articles, for example cigarettes, which, when left unsupervised ignite their substrate. There has been, therefore, no lack of attempts to alter the papers used in the manufacture of smoking articles, for example cigarettes, in such a way that the tobacco ember self-extinguishes when the smoker does not take a puff for a certain period of time. See, for example, DE 34 29 260 A, EP 0 262 550 A, U.S. Pat. No. 4,044,778, and also U.S. Pat. No. 5,191,906. [0006]
  • The cigarette paper disclosed in DE 34 29 260 A has a base wrapper construction containing cellulose fibers, which under normal circumstances does not burn. This base wrapper receives a plurality of zones, which are treated with a burn-promoting additive. In the zones treated with the burn-promoting additive, the tobacco part burns down until it reaches a non-treated paper zone and extinguishes. The zones differ in their BMI (Burn Mode Index) value. For burn-promoting additives, potassium citrate or an alkali metal salt-equivalent is used. [0007]
  • The cigarette paper described in EP 0 262 550 A also has varying zones, which differ in their combustibility. This cigarette paper has a base wrapper, which contains 30% calcium carbonate as filler and a portion of potassium citrate as a burn-promoting additive. To this base wrapper, encircling bands of a filler-free paper material are attached. The tobacco ember extinguishes when it reaches this filler-free paper zone [0008]
  • In U.S. Pat. No. 5,191,906, a cigarette paper is described that allegedly makes it possible to slow down the burning of a smoking rod between two puffs. To accomplish this, bands of an additional paper are glued to a paper base wrapper, which contains potassium citrate as a burn-promoting additive. The features of these zones are regulated in such a way, that the tobacco ember is not extinguished but continues to smolder slowly. [0009]
  • In U.S. Pat. No. 4,044,778, it is suggested to attach bands of alkali silicate, for example water glass (liquid, soluble sodium or potassium silicate) to the cigarette paper. [0010]
  • GB 528 190 A discloses cigarette papers, the ashes of which are stabilized. Non-combustible fibers are added to the cigarette paper. These fibers are made from glass, asbestos, or clay. According to this disclosure, the clay fibers are produced by extruding a Bentonite-Gel, which is subsequently dried so that the finished clay fibers have the microscopic, chemical, and heat resistant characteristics of mica. The heat resistance of the clay fibers is repeated several times in the patent. Because only burned clay is heat-proof, ceramic fibers of burned clay are added to the cigarette paper. [0011]
  • From U.S. Pat. No. 4,236,532 a cigarette paper is known that is designed to reduce pollutants in the tobacco smoke. In this invention, the cigarette paper is printed with pigments, which contain bentonite, among other things. Bentonite, however, because of its thixotropic characteristics, is a common additive to all printer colors. It is also known that bentonite absorbs foreign matter. Whether or not the cigarette paper disclosed in this patent reduces or extinguishes the smolder zone is not disclosed. [0012]
  • U.S. Pat. No. 4,805,644 discloses a cigarette paper that should reduce sidestream smoke. To accomplish this, fillers are added to the paper, which, according to the explicit specification in this patent, must be thermally stabile. This means that these fillers do not have a liquid phase during heating, otherwise they would transform. Furthermore, it is stated in this patent that the paper ashes have a normal appearance. However, the pigments used in the invention as burn inhibitors change the appearance of the ashes, as will be illustrated in the drawings. [0013]
  • The solutions described in the patents listed above could not, for various reasons, establish any practical importance. Some papers alter the taste, others the appearance, some disrupted the production, etc. There is still an urgent need for filter wrappers or mouth piece papers, which can not be set on fire by the tobacco ember, and at the same time do not produce health problems nor optical or taste problems. The presently used chemicals diammonim phosphate and polyaluminum chloride do not meet these conditions. There are health concerns with diammonium phosphate and polyaluminum chloride produces an acidulous taste when added in a quantity necessary for safe burn inhibition. [0014]
  • The elements boron and bromine, that is, compounds thereof, the flame-inhibiting characteristics of which are commonly known, can also be eliminated. [0015]
  • Adding to the burn problem is the fact that the mouth piece papers are printed with a cork-like pattern. The conventionally used printer ink contains iron-3-oxide as dye and nitro-cellulose as a bonding material. Both substances are good burn promoters so that unprinted paper has the desired features, but loses these features again once it is printed. [0016]
  • Tests with water-emitting fillers like aluminum hydroxide, plaster and satin white, which even contains 37% of crystal water, have also been unsuccessful. [0017]
    • SUMMARY OF THE INVENTION
  • It is therefore an object of the present invention to provide a paper for producing filter wrappers and mouth pieces that do not smolder and do not cause health, taste or optical problems, regardless of whether or not it is printed. [0018]
  • Although, as stated above, the water-emitting minerals were not successful, and although the silicates cited in the conventional art above were not successful, it was found, surprisingly, that the water-emitting silicates do meet the set conditions. They remain neutral, alter neither taste nor optic, are easy to process, and can be obtained everywhere and at a reasonable price. [0019]
  • Phyllosilicates were found to be particularly suitable, and particularly water-absorbing three-layer silicates, such as smectites. [0020]
  • Particularly suited among the mineral group of the smectites are montmorillonite, beidellite, hectorite and/or saponite. [0021]
  • Their ideal composition is as follows: [0022]
  • Montmorillonit: (Na[0023] +)o,8[(Al3.2Mg0.8)(OH)4Si8O20]0.8−
  • Hektorit: (Na[0024] +)o,8[(Mg5.2Li0.8)(OH, F)4Si8O20]0.8−
  • These contain adsorptively bound water, which they do not lose during the paper manufacturing process, not even while passing through the drying zone of the paper machine; rather, they dispose of the adsorptively bound water only at higher temperatures, but clearly below the temperature of the tobacco ember and at such a speed that the extinguishing effect takes place early enough. [0025]
  • As the literature on this subject shows, layered silicates have already been added to the cigarette paper to reduce sidestream smoke. Bentonites in particular have been suggested for this purpose. It was found, however, that for meeting the object of this invention, bentonites are not unsuited. [0026]
  • In a preferred embodiment of this invention, the pigments have a specific surface area according to BET between 5 and 1000 m[0027] 2/g and/or a pore volume between 0.01 and 1.0 ml/g. Thereby the faster the adsorptively bound water is released, the better the burn-inhibiting effect is.
  • Furthermore, it is easily understood that the more water that is adsorptively bound, the better the burn-inhibiting effect is. In particular, those silicates with a water absorption capacity of between 1 and 60% have been found to be of optimal suitability [0028]
  • As mentioned previously, the layered silicates of this invention only dispose of the adsorptively bound water at temperatures, which are higher than the temperatures in the drying zone of the paper machine. On the other hand, they should dispose of the adsorptively bound water early and quickly enough so that the burn-inhibiting effect takes place on time. Optimal effect in this sense show pigments, which form DTA (Differential Thermal Analysis) peaks for the disposal of adsorptively bound water at a temperature range of between 100 and 200° C. [0029]
  • The burn-inhibiting features of the pigments of this invention are so good, that the paper can be produced with a relatively high air permeability. Values of 0,5 up to 20 Coresta Units (CU) have no influence on the burn-inhibiting effect. In addition, the mouth piece papers can be perforated electrostatically or by laser without causing production problems as have been found, for example, with paper filled with china (porcelain) clay. [0030]
  • Depending on the type and the origin of the pigments, they can either be produced synthetically or be of natural origin. Thus, a sufficiently large selection is available. [0031]
  • Furthermore, the processability of the pigments of this invention is outstanding. They can already be mixed in with the paper mass, before it is put onto the paper machine. In this scenario, the pigments are evenly distributed in the paper. [0032]
  • The burn-inhibiting effect can also be achieved by distributing the pigments evenly over the paper surface. This can be done either on the paper machine itself or in a special processing step. [0033]
  • Additionally, it is possible to distribute the pigments of this invention in or on the paper in zones, that is, in bands. These zones can be manufactured in the paper machine. It is not necessary to adhere strips of a second paper. [0034]
  • Further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.[0035]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention will become more fully understood from the detailed description given hereinbelow and the accompanying drawings which are given by way of illustration only, and thus, are not limitive of the present invention, and wherein: [0036]
  • FIG. 1 is an unprinted conventional mouth piece paper; [0037]
  • FIG. 2 is the printed mouth piece paper of FIG. 1; [0038]
  • FIG. 3 is an unprinted paper using hectorite as a burn-inhibiting pigment, according to a preferred embodiment of the present invention; [0039]
  • FIG. 4 is the printed paper of FIG. 3; [0040]
  • FIG. 5 is an unprinted paper using montmorillonite as a burn-inhibiting pigment, according to a preferred embodiment of the present invention; [0041]
  • FIG. 6 is the printed paper of FIG. 5; [0042]
  • FIG. 7 is a paper with pigments distributed in a zone-shaped manner, according to a preferred embodiment of the present invention; [0043]
  • FIG. 8 is a paper with pigments being distributed in a strip-shaped manner, according to a preferred embodiment of the present invention; and [0044]
  • FIG. 9 is a paper with pigments distributed in a cross-shaped manner, according to a preferred embodiment of the present invention.[0045]
    • DETAILED DESCRIPTION
  • In the following description of the drawings, the effect of pigments according to a preferred embodiment of the invention is illustrated in greater detail. Shown in the figurers is paper, e.g., mouth piece paper, into which burn holes were burned using the same method in each example. [0046]
  • FIG. 1 illustrates an unprinted conventional mouth piece paper with burn holes. The bum holes were made by holding a smoldering cigarette to the freely hanging paper. The result were burn holes with a diameter of 50 mm and above. [0047]
  • FIG. 2 shows the mouth piece paper of FIG. 1, but printed. The iron-3-oxide and the nitrocellulose contained in the printer's ink have characteristics that promote the smoldering of the paper. For that reason, the smoldering edges of the burn holes had to be extinguished to avoid a complete burning of the paper. [0048]
  • FIG. 3 shows an unprinted mouth piece paper, to which hectorite was added. The burn holes have a maximum diameter of 10 mm. [0049]
  • FIG. 4 shows the mouth piece paper of FIG. 3, but printed with printer ink, as described herein above. Due to the burn-promoting characteristics of the printer ink, the burn holes have a larger diameter, whereby 15 mm, however, were not exceeded. [0050]
  • FIG. 5 shows an unprinted mouth piece paper, with montmorillonite being used as a burn-inhibiting pigment. It can be seen that the burn holes are even smaller than the ones where hectorite was used, as is shown in FIG. 3 [0051]
  • FIG. 6 illustrates the outstanding effect of montmorillonite even on a mouth piece paper that was printed with the burn-promoting printer ink previously described. The burn holes are only slightly larger than the ones in FIG. 5. [0052]
  • FIGS. 7, 8, and [0053] 9 each show a mouth piece paper, with the burn-inhibiting pigments, according to a preferred embodiment of the present invention, being distributed in a zone-shaped, strip-shaped and/or cross-shaped manner, respectively.
  • In summary, it can be ascertained that the test results illustrated in FIGS. [0054] 3-6 prove the outstanding burn-extinguishing characteristics of the three-layer silicates with their water-absorbing capacity. At the same time, it is noted that these layered silicates alter neither the taste nor the optical features. Because of their chemical stability in the temperatures common in smoking articles, health effects can also be ruled out.
  • The invention being thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the invention, and all such modifications as would be obvious to one skilled in the art are to be included within the scope of the following claims. [0055]

Claims (21)

What is claimed is:
1. A paper for smoking articles comprising:
cellulose;
fillers; and
burn inhibitors that are water-emitting pigments of the mineral group smectites.
2. The paper according to claim 1, wherein the burn inhibitors belong to the montmorillonite group.
3. The paper according to claim 1, wherein the burn inhibitors belong to the hectorite group.
4. The paper according to claim 1, wherein the burn inhibitors belong to the beidellites group.
5. The paper according to claim 1, wherein the burn inhibitors belong to the nontronite group.
6. The paper according to claim 1, wherein the burn inhibitors belong to the stevensite group.
7. The paper according to claim 1, wherein the burn inhibitors belong to the saponite group.
8. The paper according to claim 1, wherein the water-emitting pigments have a specific surface area according to BET between 5 and 1000 m2/g.
9. The paper according to claim 1, wherein the water-emitting pigments have a pore volume between 0,01 and 1,0 ml/g.
10. The paper according to claim 1, wherein the water-emitting pigments have a water intake capacity of between 1 and 60%.
11. The paper according to claim 1, wherein the water-emitting pigments have DTA-peaks for the disposal of the adsorptively bound water in a temperature range of between 100° and 200° C.
12. The paper according to claim 1, wherein air permeability of the paper is between 0,5 and 20 CU.
13. The paper according to claim 1, wherein the water-emitting pigments have been produced synthetically.
14. The paper according to claim 1, wherein the water-emitting pigments are of natural origin.
15. The paper according to claim 1, wherein the water-emitting pigments are distributed evenly in or on the paper.
16. The paper according to claim 1, wherein the water-emitting pigments are distributed in or on the paper in a zone-shaped, strip-shaped, and/or cross-shaped manner.
17. The paper according to claim 1, wherein the paper is used for producing filter wrappers or mouth pieces.
18. The paper according to claim 1, wherein the smoking article is a cigarette.
19. The paper according to claim 1, wherein the fillers are selected from the group consisting of CaCO3, PCC, GCC, titanium dioxide, calcined porcelain clay, and combinations thereof;
20. A paper for cigarettes, the paper comprising burn inhibitors added to the paper, the burn inhibitors being smectites and reduce a burn tendency of the paper.
21. A method of manufacturing paper for smoking articles, the method comprising:
providing paper for the smoking articles, the paper partially encompassing tobacco therein in a final manufactured state; and
adding burn inhibitors, which are water-emitting pigments, to the paper, the burn inhibitors being smectites.
US10/740,620 2002-12-24 2003-12-22 Paper for smoking articles Abandoned US20040129283A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02028960.9 2002-12-24
EP02028960A EP1433390A1 (en) 2002-12-24 2002-12-24 Paper for the manufacture of filter wrapper containing swellable phyllosilicates

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8863757B2 (en) 2002-01-23 2014-10-21 Schweitzer-Mauduit International, Inc. Smoking articles with reduced ignition proclivity characteristics
CN115515441A (en) * 2020-04-07 2022-12-23 斯瓦蒙卢森堡公司 Non-combustible package for heating but non-combustion applications

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044778A (en) * 1973-09-10 1977-08-30 Cohn Charles C Cigarettes
US4236532A (en) * 1977-09-16 1980-12-02 Gallaher Limited Smoking rod wrapper
US4805644A (en) * 1986-06-30 1989-02-21 Kimberly-Clark Corporation Sidestream reducing cigarette paper
US5191906A (en) * 1990-10-30 1993-03-09 Philip Morris Incorporated Process for making wrappers for smoking articles which modify the burn rate of the smoking article
US5878754A (en) * 1997-03-10 1999-03-09 Schweitzer-Mauduit International, Inc. Smoking article wrapper for controlling ignition proclivity of a smoking article
US5878753A (en) * 1997-03-11 1999-03-09 Schweitzer-Mauduit International, Inc. Smoking article wrapper for controlling ignition proclivity of a smoking article without affecting smoking characteristics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528190A (en) * 1939-04-21 1940-10-24 Edward Oldroyd Whiteley Improvements in and relating to cigarette paper
US4615345A (en) 1983-08-08 1986-10-07 Kimberly-Clark Corporation Wrapper constructions for self-extinguishing smoking articles
US4739775A (en) 1986-09-26 1988-04-26 Kimberly-Clark Corporation Wrapper constructions for self-extinguishing and reduced ignition proclivity smoking articles

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044778A (en) * 1973-09-10 1977-08-30 Cohn Charles C Cigarettes
US4236532A (en) * 1977-09-16 1980-12-02 Gallaher Limited Smoking rod wrapper
US4805644A (en) * 1986-06-30 1989-02-21 Kimberly-Clark Corporation Sidestream reducing cigarette paper
US5191906A (en) * 1990-10-30 1993-03-09 Philip Morris Incorporated Process for making wrappers for smoking articles which modify the burn rate of the smoking article
US5878754A (en) * 1997-03-10 1999-03-09 Schweitzer-Mauduit International, Inc. Smoking article wrapper for controlling ignition proclivity of a smoking article
US5878753A (en) * 1997-03-11 1999-03-09 Schweitzer-Mauduit International, Inc. Smoking article wrapper for controlling ignition proclivity of a smoking article without affecting smoking characteristics

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8863757B2 (en) 2002-01-23 2014-10-21 Schweitzer-Mauduit International, Inc. Smoking articles with reduced ignition proclivity characteristics
US10028525B2 (en) 2002-01-23 2018-07-24 Schweitzer-Mauduit International, Inc. Smoking articles with reduced ignition proclivity characteristics
CN115515441A (en) * 2020-04-07 2022-12-23 斯瓦蒙卢森堡公司 Non-combustible package for heating but non-combustion applications

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