ATE78263T1 - Verfahren zur herstellung eines produkts von geliertem cellulosetriacetat und das so hergestellte produkt. - Google Patents
Verfahren zur herstellung eines produkts von geliertem cellulosetriacetat und das so hergestellte produkt.Info
- Publication number
- ATE78263T1 ATE78263T1 AT86301831T AT86301831T ATE78263T1 AT E78263 T1 ATE78263 T1 AT E78263T1 AT 86301831 T AT86301831 T AT 86301831T AT 86301831 T AT86301831 T AT 86301831T AT E78263 T1 ATE78263 T1 AT E78263T1
- Authority
- AT
- Austria
- Prior art keywords
- product
- gelulosetriacetate
- making
- products
- cellulose triacetate
- Prior art date
Links
- 229920002284 Cellulose triacetate Polymers 0.000 abstract 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229940079593 drug Drugs 0.000 abstract 1
- 239000003814 drug Substances 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 230000037317 transdermal delivery Effects 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Colloid Chemistry (AREA)
- Medicinal Preparation (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/714,482 US4643856A (en) | 1985-03-21 | 1985-03-21 | Process of making gelled cellulose triacetate product |
| EP86301831A EP0195605B1 (de) | 1985-03-21 | 1986-03-13 | Verfahren zur Herstellung eines Produkts von geliertem Cellulosetriacetat und das so hergestellte Produkt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE78263T1 true ATE78263T1 (de) | 1992-08-15 |
Family
ID=24870224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT86301831T ATE78263T1 (de) | 1985-03-21 | 1986-03-13 | Verfahren zur herstellung eines produkts von geliertem cellulosetriacetat und das so hergestellte produkt. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4643856A (de) |
| EP (1) | EP0195605B1 (de) |
| JP (1) | JPH0674351B2 (de) |
| AT (1) | ATE78263T1 (de) |
| CA (1) | CA1265413A (de) |
| DE (1) | DE3685973T2 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344656A (en) * | 1986-09-12 | 1994-09-06 | Alza Corporation | Subsaturated transdermal therapeutic system having improved release characteristics |
| US4908027A (en) * | 1986-09-12 | 1990-03-13 | Alza Corporation | Subsaturated transdermal therapeutic system having improved release characteristics |
| US4781924A (en) | 1987-11-09 | 1988-11-01 | Alza Corporation | Transdermal drug delivery device |
| US5004610A (en) * | 1988-06-14 | 1991-04-02 | Alza Corporation | Subsaturated nicotine transdermal therapeutic system |
| US5223267A (en) * | 1989-05-30 | 1993-06-29 | Purepac, Inc. | Analgesic compositions |
| US5000947A (en) * | 1989-05-30 | 1991-03-19 | Moleculon, Inc. | Shaped articles containing liquefiable powders for delivery of cosmetic and other personal care agents |
| US5209932A (en) * | 1989-05-30 | 1993-05-11 | Moleculon, Inc. | Foot care compositions |
| US5223251A (en) * | 1989-05-30 | 1993-06-29 | Purepac, Inc. | Skin fragrance compositions |
| US5209923A (en) * | 1989-05-30 | 1993-05-11 | Moleculon, Inc. | Sunscreen composition |
| US5206022A (en) * | 1989-05-30 | 1993-04-27 | Moleculon, Inc. | Insect repellent compositions |
| US5290570A (en) * | 1989-05-30 | 1994-03-01 | Purepac, Inc. | Lotions containing liquid-loaded powder |
| US5206019A (en) * | 1989-05-30 | 1993-04-27 | Moleculon, Inc. | Soap compositions containing liquid-loaded powders |
| JP2559073B2 (ja) * | 1990-04-19 | 1996-11-27 | 富士写真フイルム株式会社 | セルローストリアセテートフィルムの製造方法 |
| GB2276819B (en) * | 1993-03-23 | 1996-12-11 | Johnson & Johnson Medical | Aqueous wound treatment composition comprising a polysaccharide and hexylene glycol |
| CN102949297A (zh) * | 2012-06-14 | 2013-03-06 | 江西农业大学 | 驱蚊凝胶剂以及制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1062198A (fr) * | 1952-08-26 | 1954-04-20 | Comptoir Textiles Artificiels | Procédé de filature de triacétate de cellulose |
| GB786819A (en) * | 1954-10-06 | 1957-11-27 | Celanese Corp | Preparation of spinning solutions of cellulose triacetate |
| US2999760A (en) * | 1958-05-23 | 1961-09-12 | Du Pont | Cellulose acetate composition |
| IL27218A (en) * | 1966-01-17 | 1970-05-21 | Aerojet General Co | Reverse osmosis and membrane manufacture |
| US3595601A (en) * | 1968-03-04 | 1971-07-27 | Celanese Corp | Dye additive for cellulose esters |
| US3917777A (en) * | 1972-12-13 | 1975-11-04 | Kobe Steel Ltd | Process for the preparation of dry semipermeable |
| US3846404A (en) * | 1973-05-23 | 1974-11-05 | Moleculon Res Corp | Process of preparing gelled cellulose triacetate products and the products produced thereby |
| US4029726A (en) * | 1973-05-23 | 1977-06-14 | Moleculon Research Corporation | Cellulosic-liquid composite materials and process of preparing such materials |
| US4247498A (en) * | 1976-08-30 | 1981-01-27 | Akzona Incorporated | Methods for making microporous products |
| JPS5823408A (ja) * | 1981-08-05 | 1983-02-12 | Nippon Steel Corp | 磁性の優れた１方向性電磁鋼板の製造法 |
-
1985
- 1985-03-21 US US06/714,482 patent/US4643856A/en not_active Expired - Lifetime
-
1986
- 1986-03-13 EP EP86301831A patent/EP0195605B1/de not_active Expired
- 1986-03-13 DE DE8686301831T patent/DE3685973T2/de not_active Expired - Lifetime
- 1986-03-13 AT AT86301831T patent/ATE78263T1/de not_active IP Right Cessation
- 1986-03-17 JP JP61057182A patent/JPH0674351B2/ja not_active Expired - Lifetime
- 1986-03-18 CA CA000504334A patent/CA1265413A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3685973D1 (de) | 1992-08-20 |
| EP0195605B1 (de) | 1992-07-15 |
| EP0195605A2 (de) | 1986-09-24 |
| DE3685973T2 (de) | 1992-12-24 |
| EP0195605A3 (en) | 1987-11-19 |
| JPH0674351B2 (ja) | 1994-09-21 |
| JPS61221239A (ja) | 1986-10-01 |
| US4643856A (en) | 1987-02-17 |
| CA1265413A (en) | 1990-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |