EP0935695B1 - Papier mit tintenstrahlaufzeichnungsschicht - Google Patents
Papier mit tintenstrahlaufzeichnungsschicht Download PDFInfo
- Publication number
- EP0935695B1 EP0935695B1 EP97945864A EP97945864A EP0935695B1 EP 0935695 B1 EP0935695 B1 EP 0935695B1 EP 97945864 A EP97945864 A EP 97945864A EP 97945864 A EP97945864 A EP 97945864A EP 0935695 B1 EP0935695 B1 EP 0935695B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- mixture
- pigment
- paper according
- binder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/42—Coatings with pigments characterised by the pigments at least partly organic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/508—Supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5236—Macromolecular coatings characterised by the use of natural gums, of proteins, e.g. gelatins, or of macromolecular carbohydrates, e.g. cellulose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
Definitions
- the invention relates to a paper with a applied to at least one of its sides Recording layer containing a Pigment mixture of organic and inorganic Pigment, binder and cationic auxiliary. Furthermore, the invention relates to a method for the production of the paper as well as the use.
- Papers of the type specified above become Use as a print carrier for the so-called inkjet process (Inkjet printing process) used.
- inkjet printing process Inkjet printing process
- Hentzschel / Pelzer in the DE reference Weekly paper production 18 (1996): “Improving the printability of inkjet papers by polyvinyl alcohol and others Components ". Accordingly, between the surface glued papers for the usual Office use and high quality painted Papers, especially for color prints be used, differentiated.
- Starch possibly cationic starch, is used, contain the coated papers in addition to pigment and binder a cationic additive.
- DE-A-43 22 178 discloses as a binder Polyvinyl alcohol, polyvinyl pyrrolidone, Vinyl acetate homopolymer and / or vinyl acetate copolymer. One becomes a cationic substance quaternary ammonium compound indicated. As Amorphous silicas, clay and Zeolite revealed.
- EP-A-0 514 633 describes a recording material for the inkjet process in which the recording layer contains polyvinyl alcohol, an amorphous silica with a large specific surface area, a particle size of 2 to 12 ⁇ m and a cationic polymer without crosslinking groups. Cationic polyamides, polyacrylamides or polyamines are disclosed as the cationic component. In addition to good print image quality, this known recording material is said to have improved light and water resistance.
- EP-A-0 671 282 The production of a primarily transparent recording sheet - using a plastic film as a coating carrier - is described in EP-A-0 671 282.
- Two layers are applied, of which the recording layer contains a hydrophilic binder and hollow spherical pigments or solid plastic particles as filler in the form of spheres with an average diameter of 0.1 to 50 ⁇ m .
- further fillers can be added in an amount of up to 60% by weight, with colloidal silicates, titanium dioxide, calcium carbonate, aluminum hydroxide and bright white types of clay being proposed.
- a coating color is known from DE-A-195 34 327
- Manufacture of an inkjet paper known for Solution to the problem is using a coating color high pigment concentration and relative to provide low viscosity, so that a well covering line can be applied can, in short, the generation of a satisfactory typeface guaranteed.
- preferred binders are copolymers of Styrene-butadiene or styrene-acrylate with functional cationic groups and / or cationic polyvinyl acetates
- cationic Polyvinyl alcohol and their copolymers are disclosed.
- starch, methyl cellulose, Hydroxymethyl cellulose, carboxymethyl cellulose, Alginates, proteins and polyvinyl alcohols, if necessary can also be used in cationic form.
- pigments suitable according to that document almost all in the field of paper coating usual pigments, such as. B. like and natural calcium carbonate, precipitated or pyrogenic silica, kaolin, calcined kaolin, Talc, titanium dioxide, but also organic Pigments such as B. melamine-formaldehyde resin, disclosed. If possible, pigment mixtures are disclosed, these relate to the mixing of calcium carbonate / calcium silicate hydrate, fumed silica / calcium carbonate, precipitated Silicic acid / calcium carbonate, kaolin / titanium dioxide.
- the mixture of binders made of polyvinyl alcohol and cationic starch Mixture of cationic starch and cationic Plastic binder or a mixture of cationic starch / polyvinyl alcohol and cationic plastic binder disclosed.
- the specified proportion of binder is 10 to 30 % By weight, based on pigment.
- Another time is an inkjet recording paper, that after one Cast coating process is produced in the EP-B-0 529 308.
- This script comes from calcium carbonate and silicon dioxide composite pigment for use, which in an amount of at least 50% by weight, preferably at least 80% by weight in the recording layer is present.
- Another object of the invention is Development of methods for applying the recording layer for the production of the invention Paper.
- the existing task is accomplished by the invention a paper with at least one of his Sides of the recording layer applied, which is a pigment mixture of organic and inorganic Pigment, binder and cationic auxiliary contains, the recording layer is characterized in that the pigment mixture - based on 100% by weight of total pigment mixture - 10 to 30% by weight of an organic amide resin Contains pigment and 40 to 90 wt.% Talc and that Binder a mixture of starch ether and Contains polyvinyl alcohol.
- the organic pigment preferably consists of Melamine-formaldehyde resin, urea-formaldehyde resin or a mixture of these organic pigments.
- the organic pigment has an internal pore volume of 1.5 to 4.5 cm 3 / g.
- a proportion of binder in the Range from 35 to 70% by weight based on 100 parts by weight Total pigment mixture, proven.
- binder mixture calculated as Dry weight parts - from 12 to 25 parts by weight Polyvinyl alcohol and 88 to 75 parts by weight Starch ether.
- the binder mixture in addition Starch ether and polyvinyl alcohol as others Component one or more latices contain.
- the latex portion should however less than 12% by weight, based on the Binder mixture.
- An application weight of the recording layer in the range from 10 to 30 g / m 2 and side has proven to be particularly suitable; in particular an application weight of 18 to 24 g / m 2 and side is preferred.
- Quaternary agents come as cationic aids Ammonium compounds into consideration, preferably Polydiallyldimethylammonium chloride (Polydadmac) and dimethyldistearylammonium chloride and Benzyldimethylstearylammonium chloride. Furthermore has quaternized polymethacrylate resin as proven suitable as it is called Polycat L 452 from the company CTP paper auxiliaries GmbH & Co. KG in Bobingen, Germany, will be produced. Suitable amounts are used in the range of 2 to 18 parts by weight / 100 parts by weight Pigment mixture (preferably 2 to 7 parts by weight).
- an aid for crosslinking the binder mixture.
- An addition of 0.1 to 3.5 has proven suitable % (Otro), based on pigment, proven.
- Ammonium zirconium carbonate is preferred and / or an epoxy resin is used.
- a suitable one Epoxy resin is specified in WO 95/05505.
- base paper for the order of Recording layer in particular comes full bulk glued base paper is used, in particular such a base paper that additionally a surface sizing, especially from starch in combination with a synthetic surface sizing agents, e.g. B. an acrylic styrene dispersion.
- a surface sizing especially from starch in combination with a synthetic surface sizing agents, e.g. B. an acrylic styrene dispersion.
- the process of producing the paper according to the invention has proven to be particularly suitable for the cast coating process, in particular a cast coating process in which an aqueous coating color is applied to the paper web, leveled and contacted with a heated high-gloss cylinder with simultaneous drying to form the recording layer.
- the aqueous coating slip preferably contains a pigment mixture which, based on 100% by weight of the total pigment mixture, contains 10 to 30% by weight of organic pigment consisting of amide resin and 40 to 90% by weight of talc and also a binder which comprises a mixture of starch ether and Contains polyvinyl alcohol.
- the production of the paper according to the invention is, however, not tied to the casting process described above; rather, the production can also be carried out by the re-wet method or the coagulation process.
- the coating color according to the invention with the specified pigment and binder mixture can also be applied to a paper web, leveled by means of a knife coating device or a doctor blade, and then dried and calendered.
- the coating color for producing the recording layer can also contain other auxiliary agents such as optical brighteners, shading dye, dispersing and wetting agents, thickening aids and, in the case of production by the casting process, still releasing agents such as the stearates of Contain sodium and calcium and / or suitable oils. Defoamers and agents for regulating the pH can also be present. Overall, it is preferred that the auxiliaries be present in the coating in an amount of no more than 4 to 7 parts by weight, based on 100 parts by weight of total solid.
- the starch ethers known from WO 95/05505 can be used in the context of the present invention. Low-viscosity types with a high degree of hydrolysis are preferably used as polyvinyl alcohol.
- film press is one Understand device in which the coating color first applied to transfer rollers and equalized there and the pre-dosed coating color then from the transfer rollers to the is applied to both sides of the paper web.
- the Predosing / leveling of the coating color can thereby both of knife coaters, of rotating squeegees or rotating Dosing rollers are made.
- the paper according to the invention is used preferably for printing in an inkjet printer, especially in a multi-color inkjet printer.
- An aqueous slurry of 78 parts by weight of talc and 22 parts by weight of a urea-formaldehyde pigment with a specific surface area of 20 m 2 / g and an internal pore volume of 2.6 cm 3 / g is made using 17 parts by weight.
- Parts of a 20% Polydadmac solution are dispersed and then 127 parts by weight of a 24% solution of a hydroxypropyl starch ether with a degree of substitution of 0.07 and 45 parts by weight of a 20% solution of a low-viscosity polyvinyl alcohol with a high degree of hydrolysis are added.
- the coating color has after setting to a pH of 8.1 a solids content of 39% by weight.
- aqueous pigment slurry consisting of 81 parts by weight of talc and 19 parts by weight of a urea-formaldehyde pigment. About this slurry become 17.3 parts by weight of a 20% Polydadmac solution added.
- a binder 131 parts by weight of those given in Example 1
- 19 parts by weight are used as the release agent a 35% calcium stearate and further 17 parts by weight of a 15% solution of optical brightener and shading dye.
- 21 parts by weight of a 20 % solution of quaternized polymethacrylate resin added.
- the finished coating color is on a solids content of 44.3% by weight and a pH set from 7.8.
- Example 1 or 2 With the coating color specified in Example 1 or 2, a coating base paper with a basis weight of 55 g / m 2 , which is fully glued in the mass and is provided with a surface preparation of starch, is coated on one side on a cast coating machine.
- the application weight is 25 g / m 2 .
- the cast coating method used is the so-called direct method, in which the coating color is applied to the paper and the wet coating color is pressed against a heated high-gloss cylinder. A very smooth surface is achieved.
- the recording papers produced can be printed excellently in multicolor printing using the inkjet printing process.
Landscapes
- Paper (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Ink Jet (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
Die erfindungsgemäße Streichfarbe mit der angegebenen Pigment und Bindemittelmischung kann auch auf eine Papierbahn aufgetragen, mittels einer Messerstreicheinrichtung oder einem Rollrakel egalisiert, anschließend getrocknet und kalandriert werden. Außer der erfindungsgemäß vorgesehenen Pigmentmischung, Bindemittelmischung und kationischem Hilfsmittel kann die Streichfarbe zur Herstellung der Aufzeichnungsschicht noch weitere Hilfsmittel, wie optische Aufheller, Nuancierfarbstoff, Dispergier- und Netzmittel, Verdickungshilfsmittel und, im Fall der Herstellung nach dem Gußstreichverfahren, noch Ablösemittel, wie die Stearate von Natrium und Calcium und/oder geeignete Öle enthalten. Ferner können noch Entschäumer und Mittel zur Regulierung des pH-Wertes vorliegen. Insgesamt wird bevorzugt, daß die Hilfsmittel in einer Menge von nicht mehr als 4 bis 7 Gew.-Teilen, bezogen auf 100 Gew.-Teile Gesamtfeststoff, der Beschichtung vorliegen. Im Rahmen der vorliegenden Erfindung können die aus der WO 95/05505 bekannten Stärkeether eingesetzt werden. Als Polyvinylalkohol kommen vorzugsweise niederviskose Typen mit hohem Hydrolysegrad zum Einsatz.
Claims (15)
- Papier mit einer mindestens auf einer seiner Seiten aufgetragenenen Aufzeichnungsschicht, enthaltend eine Pigmentmischung aus organischem und anorganischem Pigment, Bindemittel und kationisches Hilfsmittel, dadurch gekennzeichnet, daß die Pigmentmischung - bezogen auf 100 Gew.% Gesamtpigmentmischung - 10 bis 30 Gew.% aus Amidharz bestehendes organisches Pigment und 40 bis 90 Gew.% Talkum enthält und das Bindemittel eine Mischung aus Stärkeether und Polyvinylalkohol enthält.
- Papier nach Anspruch 1, dadurch gekennzeichnet, daß das organische Pigment aus Melamin-Formaldehydharz, Harnstoff-Formaldehydharz oder aus einer Mischung dieser organischen Pigmente besteht.
- Papier nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß das organische Pigment ein inneres Porenvolumen von 1,5 bis 4,5 cm3/g aufweist.
- Papier nach einem der Ansprüche 1 und 3, dadurch gekennzeichnet, daß die Aufzeichnungsschicht als weiteres anorganisches Pigment gefälltes oder fein gemahlenes Calciumcarbonat, Titandioxid, calcinierten Clay, Aluminiumoxid, Aluminiumhydroxid, modifizierten Bentonit oder eine Mischung dieser Pigmente in einer Menge von nicht mehr als 50 Gew.% - bezogen auf Gesamtpigmentmischung - enthält.
- Papier nach einem der Ansprüche 1 und 4, dadurch gekennzeichnet, daß die Aufzeichnungsschicht 35 bis 70 Gew.% Bindemittel - bezogen auf 100 Gew.-Teile Gesamtpigmentmischung - enthält.
- Papier nach einem der Ansprüche 1 und 5, dadurch gekennzeichnet, daß die Aufzeichnungsschicht ein Vernetzungsmittel für das Bindemittel enthält.
- Papier nach einem der Ansprüche 1 und 6, dadurch gekennzeichnet, daß das Vernetzungsmittel in einer Menge von 0,1 bis 5 Gew.%, bezogen auf Pigment, in der Aufzeichnungsschicht vorliegt.
- Papier nach einem der Ansprüche 1 und 7, dadurch gekennzeichnet, daß das Vernetzungsmittel ausgewählt ist aus der Ammonium-Zirkonium-Karbonat und Epoxidharz umfassenden Gruppe.
- Papier nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Aufzeichnungsschicht in einer Menge von 10 bis 30 g/m2/Seite aufgetragen ist.
- Verfahren zur Herstellung eines Papieres nach einem der Ansprüche 1 bis 9 dadurch gekennzeichnet, daß die Aufzeichnungsschicht enthaltend eine Pigmentmischung, die - bezogen auf 100 Gew.% Gesamtpigmentmischung - 10 bis 30 Gew.% aus Amidharz bestehendes organisches Pigment und 40 bis 90 Gew.% Talkum enthält sowie ein Bindemittel, das eine Mischung aus Stärkeether und Polyvinylalkohol enthält, in einem Gußstreichverfahren aufgetragen wird.
- Verfahren zur Herstellung eines Papieres nach Anspruch 10 dadurch gekennzeichnet, daß eine wäßrige Streichfarbe zur Ausbildung der Aufzeichnungsschicht auf eine Papierbahn aufgebracht, egalisiert und mit einem beheizten Hochglanzzylinder unter gleichzeitiger Trocknung kontaktiert wird.
- Verfahren zur Herstellung eines Papieres nach einem der Ansprüche 1 bis 9 dadurch gekennzeichnet, daß eine wäßrige Streichfarbe, enthaltend eine Pigmentmischung, die - bezogen auf 100 Gew.% Gesamtpigmentmischung - 10 bis 30 Gew.% aus Amidharz bestehendes organisches Pigment und 40 bis 90 Gew.% Talkum enthält sowie ein Bindemittel, das eine Mischung aus Stärkeether und Polyvinylalkohol enthält, auf eine Papierbahn aufgetragen, mittels einer Messerstreicheinrichtung oder einem Rollrakel egalisiert, getrocknet und kalandriert wird.
- Verfahren zur Herstellung eines Papieres nach einem der Ansprüche 1 bis 9 dadurch gekennzeichnet, daß eine wäßrige Streichfarbe, enthaltend eine Pigmentmischung, die - bezogen auf 100 Gew.% Gesamtpigmentmischung - 10 bis 30 Gew.% aus Amidharz bestehendes organisches Pigment und 40 bis 90 Gew.% Talkum enthält sowie ein Bindemittel, das eine Mischung aus Stärkeether und Polyvinylalkohol enthält, mittels einer Filmpresse auf die Papierbahn aufgetragen wird.
- Verwendung eines Papiers nach einem der Ansprüche 1 bis 9 in einem Inkjet-Drucker.
- Verwendung eines Papiers nach einem der Ansprüche 1 bis 9 in einem Inkjet-Mehrfarbendrucker.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19644014A DE19644014C2 (de) | 1996-10-31 | 1996-10-31 | Papier mit Aufzeichnungsschicht und Verfahren zu seiner Herstellung |
| DE19644014 | 1996-10-31 | ||
| PCT/EP1997/005818 WO1998019011A1 (de) | 1996-10-31 | 1997-10-22 | Papier mit tintenstrahlaufzeichnungsschicht |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0935695A1 EP0935695A1 (de) | 1999-08-18 |
| EP0935695B1 true EP0935695B1 (de) | 2001-10-10 |
Family
ID=7809736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97945864A Expired - Lifetime EP0935695B1 (de) | 1996-10-31 | 1997-10-22 | Papier mit tintenstrahlaufzeichnungsschicht |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0935695B1 (de) |
| AT (1) | ATE206783T1 (de) |
| DE (2) | DE19644014C2 (de) |
| ES (1) | ES2162329T3 (de) |
| WO (1) | WO1998019011A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19745935C2 (de) * | 1997-10-17 | 2001-12-13 | Mitsubishi Hitec Paper Bielefe | Papier mit Tintenstrahlaufzeichnungsschicht |
| DE10054219C2 (de) * | 2000-11-01 | 2003-04-24 | Mitsubishi Hitec Paper Flensbu | Aufzeichnungsmaterial für das Tintenstrahl-Druckverfahren |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064304A (en) * | 1973-06-18 | 1977-12-20 | Kanzaki Paper Manufacturing Company, Ltd. | Coated synthetic paper adapted for offset printing and method for production thereof |
| ES437298A1 (es) * | 1974-06-10 | 1977-04-01 | Dow Chemical Co | Un metodo para preparar un latex. |
| NL190611C (nl) * | 1979-12-21 | 1994-05-16 | Hercules Inc | Entcopolymeer in deeltjesvorm en werkwijze voor het bereiden van papier waarbij een dergelijk entcopolymeer wordt toegepast. |
| JPH0214098A (ja) * | 1988-06-29 | 1990-01-18 | Kanzaki Paper Mfg Co Ltd | 光沢塗被紙の製造方法 |
| JPH081038B2 (ja) * | 1991-08-27 | 1996-01-10 | 日本製紙株式会社 | インクジェット記録用紙 |
| JPH06234268A (ja) * | 1992-12-16 | 1994-08-23 | Mitsubishi Paper Mills Ltd | インクジェット記録シート |
| CN1069370C (zh) * | 1993-06-15 | 2001-08-08 | 佳能株式会社 | 墨水喷射记录用高光泽印刷纸、其制造方法及使用这种纸的墨水喷射记录方法 |
| DE4327366C1 (de) * | 1993-08-14 | 1995-01-05 | Feldmuehle Ag Stora | Papier oder Karton mit einer im Gußstreichverfahren aufgebrachten Beschichtung, Verfahren zur Herstellung und Verwendung |
| JPH07290818A (ja) * | 1994-03-04 | 1995-11-07 | Mitsubishi Paper Mills Ltd | インクジェット記録用タックシート |
| DE19500195A1 (de) * | 1995-01-05 | 1996-07-11 | Bayer Ag | Verwendung weißgetönter Kunststoffe zum Weißtönen von Papierstreichmassen und derart weißgetönte Papierstreichmassen |
| DE19534327A1 (de) * | 1995-09-15 | 1996-02-22 | Md Papier Gmbh | Streichfarbe für Tintenstrahlpapier |
-
1996
- 1996-10-31 DE DE19644014A patent/DE19644014C2/de not_active Expired - Fee Related
-
1997
- 1997-10-22 ES ES97945864T patent/ES2162329T3/es not_active Expired - Lifetime
- 1997-10-22 WO PCT/EP1997/005818 patent/WO1998019011A1/de not_active Ceased
- 1997-10-22 DE DE59704892T patent/DE59704892D1/de not_active Expired - Lifetime
- 1997-10-22 AT AT97945864T patent/ATE206783T1/de not_active IP Right Cessation
- 1997-10-22 EP EP97945864A patent/EP0935695B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE19644014C2 (de) | 1999-07-22 |
| DE19644014A1 (de) | 1998-05-07 |
| EP0935695A1 (de) | 1999-08-18 |
| ATE206783T1 (de) | 2001-10-15 |
| WO1998019011A1 (de) | 1998-05-07 |
| ES2162329T3 (es) | 2001-12-16 |
| DE59704892D1 (de) | 2001-11-15 |
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