FR845522A - Procédé pour stabiliser la triacétyl-cellulose - Google Patents
Procédé pour stabiliser la triacétyl-celluloseInfo
- Publication number
- FR845522A FR845522A FR845522DA FR845522A FR 845522 A FR845522 A FR 845522A FR 845522D A FR845522D A FR 845522DA FR 845522 A FR845522 A FR 845522A
- Authority
- FR
- France
- Prior art keywords
- stabilizing
- triacetyl cellulose
- triacetyl
- cellulose
- stabilizing triacetyl
- 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
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
-
- 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
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
- C08B3/26—Isolation of the cellulose ester
- C08B3/28—Isolation of the cellulose ester by precipitation
-
- 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
- C08B3/30—Stabilising
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US175980A US2140346A (en) | 1937-11-22 | 1937-11-22 | Process of stabilizing carbohydrate derivatives |
US175979A US2139664A (en) | 1937-11-22 | 1937-11-22 | Process of stabilizing cellulose derivatives |
US175981A US2140347A (en) | 1937-11-22 | 1937-11-22 | Process of stabilizing cellulose triacetate |
US204601A US2139663A (en) | 1937-11-22 | 1938-04-27 | Process of stabilizing cellulose derivatives |
US231900A US2206872A (en) | 1937-11-22 | 1938-09-27 | Process of stabilizing carbohydrate derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
FR845522A true FR845522A (fr) | 1939-08-25 |
Family
ID=42023655
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR845522D Expired FR845522A (fr) | 1937-11-22 | 1938-11-02 | Procédé pour stabiliser la triacétyl-cellulose |
FR845523D Expired FR845523A (fr) | 1937-11-22 | 1938-11-02 | Procédé pour stabiliser des dérivés d'hydrates de carbone |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR845523D Expired FR845523A (fr) | 1937-11-22 | 1938-11-02 | Procédé pour stabiliser des dérivés d'hydrates de carbone |
Country Status (3)
Country | Link |
---|---|
US (6) | US2140347A (fr) |
FR (2) | FR845522A (fr) |
GB (1) | GB511822A (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3103506A (en) * | 1963-09-10 | Preparation of cellulose valerates | ||
US2512983A (en) * | 1945-12-21 | 1950-06-27 | Gevaert Photo Prod Nv | Mixed cellulose esters and process of making same |
US2736665A (en) * | 1950-02-17 | 1956-02-28 | Engine Parts Mfg Company | Method of stabilizing sprayable paints |
US3520874A (en) * | 1966-10-07 | 1970-07-21 | Fuji Photo Film Co Ltd | Process for the production of a fine porous film |
US4218560A (en) * | 1977-10-25 | 1980-08-19 | Hoffmann-La Roche Inc. | Esters of antibiotic X-5108 and of mocimycin |
US4272526A (en) * | 1978-07-11 | 1981-06-09 | Macarthys Pharmaceuticals Limited | Derivatives of chloral |
US4501888A (en) * | 1984-01-24 | 1985-02-26 | A. E. Staley Manufacturing Company | Process for producing esters of carbohydrate materials |
-
1937
- 1937-11-22 US US175981A patent/US2140347A/en not_active Expired - Lifetime
- 1937-11-22 US US175980A patent/US2140346A/en not_active Expired - Lifetime
- 1937-11-22 US US175979A patent/US2139664A/en not_active Expired - Lifetime
-
1938
- 1938-04-27 US US204602A patent/US2139662A/en not_active Expired - Lifetime
- 1938-04-27 US US204601A patent/US2139663A/en not_active Expired - Lifetime
- 1938-09-27 US US231900A patent/US2206872A/en not_active Expired - Lifetime
- 1938-11-02 FR FR845522D patent/FR845522A/fr not_active Expired
- 1938-11-02 FR FR845523D patent/FR845523A/fr not_active Expired
- 1938-11-08 GB GB32427/38A patent/GB511822A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR845523A (fr) | 1939-08-25 |
US2139664A (en) | 1938-12-13 |
US2206872A (en) | 1940-07-09 |
US2140346A (en) | 1938-12-13 |
GB511822A (en) | 1939-08-24 |
US2139663A (en) | 1938-12-13 |
US2140347A (en) | 1938-12-13 |
US2139662A (en) | 1938-12-13 |
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