DE2128007A1 - Use of foamed cellulose esters for the production of coffins - Google Patents
Use of foamed cellulose esters for the production of coffinsInfo
- Publication number
- DE2128007A1 DE2128007A1 DE19712128007 DE2128007A DE2128007A1 DE 2128007 A1 DE2128007 A1 DE 2128007A1 DE 19712128007 DE19712128007 DE 19712128007 DE 2128007 A DE2128007 A DE 2128007A DE 2128007 A1 DE2128007 A1 DE 2128007A1
- Authority
- DE
- Germany
- Prior art keywords
- weight
- percent
- coffins
- cellulose esters
- production
- 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.)
- Pending
Links
- 229920002678 cellulose Polymers 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 239000004014 plasticizer Substances 0.000 claims description 8
- 229920002301 cellulose acetate Polymers 0.000 claims description 5
- 239000000975 dye Substances 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 6
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 3
- 229960001826 dimethylphthalate Drugs 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- KNIUHBNRWZGIQQ-UHFFFAOYSA-N 7-diethoxyphosphinothioyloxy-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 KNIUHBNRWZGIQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000004348 Glyceryl diacetate Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000019443 glyceryl diacetate Nutrition 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 239000001087 glyceryl triacetate Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
- C08L1/12—Cellulose acetate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G17/00—Coffins; Funeral wrappings; Funeral urns
- A61G17/007—Coffins; Funeral wrappings; Funeral urns characterised by the construction material used, e.g. biodegradable material; Use of several materials
- A61G17/0073—Cardboard
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/22—Cellulose xanthate
- C08J2301/24—Viscose
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
2128 007 LEVERK US E N-Bayerwerk ! *h Jufli 19712128 007 LEVERK US E N-Bayerwerk! * h Jufli 1971
Str/RaStr / Ra
"Verwendung von geschäumten Celluloseestern zur Herstellung"Use of foamed cellulose esters for production
.~" - . von Särgenir . ~ "-. of coffins ir
Es ist bekannt, thermoplastische Formmassen zu Formteilen mit hoIzähnlichem Aussehen zu verarbeiten. Auch aus Polyurethanschäumen und Polyestern werden Formteile gefertigt, die an Stelle von Formteilen aus Holz verwendet werden können. Diese synthetischen Formteile haben aber gegenüber Holz den Nachteil, daß sie nicht verrotten und unter Bildung zum Teil korrosiver Abgase und größerer Mengen Ruß verbrennen. Völlig überraschend fand man jedoch, daß Formkörper aus geschäumten Celluloseestern im Erdreich verrotten.It is known that thermoplastic molding compositions can be processed into molded parts with a wood-like appearance. Also made from polyurethane foams and polyesters are molded parts that are used instead of molded parts made of wood can. However, compared to wood, these synthetic molded parts have the disadvantage that they do not rot and form burn partly corrosive exhaust gases and large amounts of soot. Completely surprisingly, however, it was found that molded bodies from foamed cellulose esters rot in the ground.
Gegenstand der Erfindung ist die Verwendung von geschäumten Celluloseestern, deren Dichte zwischen 0,9 - 0,25 g/cnr liegt, mit 0 bis 4o Gewichtsprozent Weichmachern und mit 0 bis Io Gewichtsprozent Pigmenten und/oder Farbstoffen, zur Herstellung von Särgen.The invention relates to the use of foamed Cellulose esters, the density of which is between 0.9-0.25 g / cm2, with 0 to 40 percent by weight of plasticizers and 0 to 10 percent by weight Pigments and / or dyes for making coffins.
Von den Celluloseestern ist das geschäumte Celluloseacetat das 5o bis 62,5 Gewichtsprozent Essigsäure enthält, besonders geeignet.Of the cellulose esters, the foamed cellulose acetate is containing 50 to 62.5 percent by weight acetic acid, especially suitable.
Dem Celluloseester werden 0 bis 4o Gewichtsprozent Weichmacher0 to 40 percent by weight plasticizers are added to the cellulose ester
209 851/006$$ 209,851 / 006
Le A .13 763 - 1 - Le A .13 763 - 1 -
L^ M«i. II. I ^i. L ^ M «i . II. I ^ i.
zugesetzt. Geeignete, bekannte Weichmacher sind Phthalsäure-' ; ester wie z. B. Dimethylphthalat, Diäthylphthalat oder Dioctylphthalat, Diacetin, Triacetin oder organische Phosphorsäureester, wie z. B. Triphenylphosphat oder Mischungen der genannten Weichmacher. Besonders geeignet ist ein Weichmachergemisch aus 80 Gewichtsprozent Dimethylphthalat und 2o Ge-Wichtsprozent Diäthylphthalat. Pigmente und Farbstoffe von 0 bis Io Gewichtsprozent können dem Celluloseester zugemischt werden.added. Suitable, known plasticizers are phthalic acid- '; esters such as B. dimethyl phthalate, diethyl phthalate or dioctyl phthalate, diacetin, triacetin or organic phosphoric acid esters, such as B. triphenyl phosphate or mixtures of called plasticizers. A plasticizer mixture of 80 percent by weight dimethyl phthalate and 20 percent by weight is particularly suitable Diethyl phthalate. Pigments and dyes from 0 to 10 percent by weight can be added to the cellulose ester will.
Zur Erzeugung des Celluloseesterschaums werden die bekannten gasförmigen, flüssigen und festen Treibmittel wie z. B. Luft, gasförmige und flüssige Kohlenwasserstoffe, Wasser, Alkohole oder Verbindungen, die beim Erhitzen CO2, N2 oder NH, abspalten, in Mengen von 0,5 bis 5 Gewichtsprozent verwendet.To generate the cellulose ester foam, the known gaseous, liquid and solid propellants such as. B. air, gaseous and liquid hydrocarbons, water, alcohols or compounds that split off CO 2 , N 2 or NH when heated, used in amounts of 0.5 to 5 percent by weight.
Särge jeder Dimension können kontinuierlich z. B. durch Extrusion oder diskontinuierlich nach dem Backverfahren, Spritzgußverfahren oder Rotationssinterverfahren hergestellt werden.Coffins of any dimension can be continuously z. B. by Extrusion or discontinuously produced by the baking process, injection molding process or rotary sintering process will.
Auf Grund ihres holzähnlichen Aussehens, ihrer Verrorbarkeit und weit größeren Verbrennungsgeschwindigkeit als Erweichungsgeschwindigkeit mit geringen- Ruß- und ohne korrosiver Abgase^- entwicklung, sind sie von Särgen aus Holz nicht zu unterscheiden und haben gegenüber diesen den Vorteil der einfacheren Herstellung. , ,Because of their wood-like appearance, their ability to be buried and far greater combustion speed than softening speed with low - soot and without corrosive exhaust gases ^ - development, they are indistinguishable from wooden coffins and have the advantage over them of being simpler Manufacturing. ,,
Um den Vorteil des Einsatzes von geschäumtem Material, bei dem eine große Oberfläche im Verhältnis zum Gesamtvolumen gegeben ist, zu zeigen, wurden auch Pollen untersucht.To take advantage of the use of foamed material which has a large surface area in relation to the total volume, pollen was also examined.
Le A I? 763 -2 - Le AI? 763 -2 -
209851/0066209851/0066
Folien aus Celluloseacetat mit 54,2 Gewichtsprozent Essigsäure (rel. Lösungsviskosität /""in Aceton bei 2o°C, Konzentration = 2 g/loo ml__7= 4,2) zeigen nach 11 Monaten Exposition inCellulose acetate films with 54.2 percent by weight acetic acid (relative solution viscosity / "" in acetone at 20 ° C., concentration = 2 g / loo ml__7 = 4.2) show after 11 months of exposure in
a) Haushaltsmüll deutlichen Angriffa) Household waste significant attack
b) Faulschlammgedüngterb) digested sludge fertilizer
Ackererde . starken AngriffPotting soil. strong attack
c) Gartenkompost völlige Auflösungc) Garden compost complete dissolution
d) Abwasserberegnetemd) sewage irrigation
Grasboden starken AngriffGrassy ground strong attack
e) Laubwaldboden starken Angriffe) Deciduous forest floor strong attack
f) Lößackerboden starken Angriff.f) Lößackerboden strong attack.
Vergleichsversuch Verrottung:Comparative experiment rotting:
Dieser Versuch wurde durchgeführt, um die Verrottung zu prüfen. Es wurden Formkörper mit den Dimensionen 2o χ 2o χ 36o aus verschiedenen Materialen hergestellt. Der Gewichtsverlust nach 12 Wochen Erdeingrabung bei 3°° (Lauberde) betrug.beiThis attempt was made to prevent the rotting check. Moldings with the dimensions 2o χ 2o χ 36o were produced made of different materials. The weight loss after 12 weeks of digging in soil at 3 °° (leaf soil) was
a) Kiefernfcernholz 7,ο % a) Pine fanwood 7, ο %
b) Kiefernsplintholz 9,ο % b) Pine sapwood 9, ο %
c) Eichenholz lo,8 % ■ . c) oak wood lo, 8 % ■.
d) Genormte Formkörper aus geschäumten Celluloseacetat, dessen Dichte 0,56 g/cnr betrug, der durch Spritzgießen von 75 Gewichtsteilen Celluloseacetat mit einem Gehalt von 53*9 Gewichtsprozent Essigsäure (rel. Lösungsviskosität /~in Aceton bei 2o°C c s 2 g/loo rnl^/= 3,8) und 23 Gewichtsteilen Weichmachergemisch (8o Gewichtsprozent Dimethylphthalat und 2o Gewichtsprozent Diäthylphthalat) unter Zusatz von 2 Gewichtsteilen Azodicarbonamid erhalten wurde. Gewichtsverlust = 9,8 % d) Standardized moldings made of foamed cellulose acetate, the density of which was 0.56 g / cm, which was obtained by injection molding of 75 parts by weight of cellulose acetate with a content of 53 * 9% by weight of acetic acid (relative solution viscosity / ~ in acetone at 2o ° C cs 2 g / loo rnl ^ / = 3.8) and 23 parts by weight of plasticizer mixture (80 percent by weight of dimethyl phthalate and 20 percent by weight of diethyl phthalate) was obtained with the addition of 2 parts by weight of azodicarbonamide. Weight loss = 9.8 %
Le A 13 763 - 3 - Le A 13 763 - 3 -
209851/0066209851/0066
Vergleichsversuoh VerbrennungComparison of combustion
Verglichen wurden Platten der Abmessung J5oo χ 7oo χ 2o im in einer VerbrennungsanlagePlates measuring J5oo χ 7oo χ 2o im were compared in an incinerator
a) Kiefernholz == rauchfreie Verbrennung ohne Rückstanda) Pine wood == smoke-free combustion with no residue
b) Thermoplastschaum aus Beispiel 2 = kaum wahrnehmbare Rauchentwicklung, ohne Rückstand, ohne Abtropfen und ohne korrosive Abgase.b) Thermoplastic foam from example 2 = barely perceptible Smoke development, without residue, without dripping and without corrosive exhaust gases.
Le A 13 763 . ■ - 4 - ' Le A13763 . ■ - 4 - '
20985 1/006620985 1/0066
Claims (2)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712128007 DE2128007A1 (en) | 1971-06-05 | 1971-06-05 | Use of foamed cellulose esters for the production of coffins |
| IT50636/72A IT958175B (en) | 1971-06-05 | 1972-05-31 | COMPOSITIONS FROM MOLDING OF EXPANDED CELLULOSE ESTERS AND OBJECTS OBTAINED FROM THEM |
| NL7207544A NL7207544A (en) | 1971-06-05 | 1972-06-02 | |
| AT477772A AT319611B (en) | 1971-06-05 | 1972-06-02 | Molding compounds |
| GB2605172A GB1399114A (en) | 1971-06-05 | 1972-06-05 | Process for the production of rottable coffins |
| BE784404A BE784404A (en) | 1971-06-05 | 1972-06-05 | MOLDING COMPOSITIONS IN CELLULOSE ESTERS FOAM |
| FR7220162A FR2140454A1 (en) | 1971-06-05 | 1972-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712128007 DE2128007A1 (en) | 1971-06-05 | 1971-06-05 | Use of foamed cellulose esters for the production of coffins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2128007A1 true DE2128007A1 (en) | 1972-12-14 |
Family
ID=5809951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712128007 Pending DE2128007A1 (en) | 1971-06-05 | 1971-06-05 | Use of foamed cellulose esters for the production of coffins |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT319611B (en) |
| BE (1) | BE784404A (en) |
| DE (1) | DE2128007A1 (en) |
| FR (1) | FR2140454A1 (en) |
| GB (1) | GB1399114A (en) |
| IT (1) | IT958175B (en) |
| NL (1) | NL7207544A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3914022A1 (en) * | 1989-04-28 | 1990-10-31 | Aeterna Lichte Gmbh & Co Kg | BIODEGRADABLE PLASTIC MATERIALS |
| WO1992020738A1 (en) * | 1991-05-21 | 1992-11-26 | Battelle Memorial Institute | Degradable cellulose polymers |
| EP0597478A1 (en) * | 1992-11-13 | 1994-05-18 | Daicel Chemical Industries, Ltd. | Biodegradable cellulose ester composition and article produced from the same |
| US5376708A (en) * | 1990-04-14 | 1994-12-27 | Battelle Institute E.V. | Biodegradable plastic materials, method of producing them, and their use |
| EP1600135A1 (en) * | 2004-05-28 | 2005-11-30 | Francis W.M.R. Dr. Schwarze | Substrate for wood rotting |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE502007002730D1 (en) * | 2006-10-12 | 2010-03-18 | Braun Peter Marco | Coffin or urn |
| FR3014879B1 (en) * | 2013-12-12 | 2017-02-17 | Antoine Mocquard | MATERIAL, OPHTHALMIC FRAME ELEMENT, USES AND METHODS OF MANUFACTURING THE SAME. |
-
1971
- 1971-06-05 DE DE19712128007 patent/DE2128007A1/en active Pending
-
1972
- 1972-05-31 IT IT50636/72A patent/IT958175B/en active
- 1972-06-02 NL NL7207544A patent/NL7207544A/xx unknown
- 1972-06-02 AT AT477772A patent/AT319611B/en not_active IP Right Cessation
- 1972-06-05 FR FR7220162A patent/FR2140454A1/fr not_active Withdrawn
- 1972-06-05 BE BE784404A patent/BE784404A/en unknown
- 1972-06-05 GB GB2605172A patent/GB1399114A/en not_active Expired
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3914022A1 (en) * | 1989-04-28 | 1990-10-31 | Aeterna Lichte Gmbh & Co Kg | BIODEGRADABLE PLASTIC MATERIALS |
| EP0394803A1 (en) * | 1989-04-28 | 1990-10-31 | Battelle Memorial Institute | Biodegradable plastic material |
| US5376708A (en) * | 1990-04-14 | 1994-12-27 | Battelle Institute E.V. | Biodegradable plastic materials, method of producing them, and their use |
| WO1992020738A1 (en) * | 1991-05-21 | 1992-11-26 | Battelle Memorial Institute | Degradable cellulose polymers |
| EP0597478A1 (en) * | 1992-11-13 | 1994-05-18 | Daicel Chemical Industries, Ltd. | Biodegradable cellulose ester composition and article produced from the same |
| US5478386A (en) * | 1992-11-13 | 1995-12-26 | Daicel Chemical Industries, Ltd. | Biodegradable cellulose ester composition and article |
| US5609677A (en) * | 1992-11-13 | 1997-03-11 | Daicel Chemical Industries, Ltd. | Biodegradable cellulose ester composition and article |
| EP0792913A3 (en) * | 1992-11-13 | 1997-09-24 | Daicel Chemical Industries, Ltd. | Biodegradable cellulose ester composition and article |
| US5720803A (en) * | 1992-11-13 | 1998-02-24 | Daicel Chemical Industries, Ltd. | Biodegradable cellulose ester composition and article |
| EP1600135A1 (en) * | 2004-05-28 | 2005-11-30 | Francis W.M.R. Dr. Schwarze | Substrate for wood rotting |
Also Published As
| Publication number | Publication date |
|---|---|
| IT958175B (en) | 1973-10-20 |
| GB1399114A (en) | 1975-06-25 |
| AT319611B (en) | 1974-12-27 |
| BE784404A (en) | 1972-12-05 |
| NL7207544A (en) | 1972-12-07 |
| FR2140454A1 (en) | 1973-01-19 |
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