SE332292B - - Google Patents
Info
- Publication number
- SE332292B SE332292B SE05723/66A SE572365A SE332292B SE 332292 B SE332292 B SE 332292B SE 05723/66 A SE05723/66 A SE 05723/66A SE 572365 A SE572365 A SE 572365A SE 332292 B SE332292 B SE 332292B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH52574A DE1244145B (de) | 1964-05-02 | 1964-05-02 | Verfahren zum Reinigen von wasserloeslicher Hydroxyaethylcellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE332292B true SE332292B (xx) | 1971-02-01 |
Family
ID=7158064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE05723/66A SE332292B (xx) | 1964-05-02 | 1965-04-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3347847A (xx) |
| BE (1) | BE663259A (xx) |
| DE (1) | DE1244145B (xx) |
| FR (1) | FR1444768A (xx) |
| NL (1) | NL6503739A (xx) |
| SE (1) | SE332292B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1142281A (en) * | 1967-02-16 | 1969-02-05 | Ici Ltd | Production of hydroxyalkyl cellulose |
| US3619451A (en) * | 1967-09-29 | 1971-11-09 | Ici Ltd | Powdered cellulose ether |
| US3898165A (en) * | 1972-04-18 | 1975-08-05 | Halliburton Co | Compositions for fracturing high temperature well formations |
| US3873518A (en) * | 1973-12-14 | 1975-03-25 | Dow Chemical Co | Water soluble ternary cellulose ethers |
| US3903076A (en) * | 1974-06-26 | 1975-09-02 | Dow Chemical Co | Preparation and purification of cellulose ethers |
| US4229572A (en) * | 1979-03-05 | 1980-10-21 | The Dow Chemical Company | Purification of cellulose ether reaction product |
| US4350601A (en) * | 1979-03-26 | 1982-09-21 | The Dow Chemical Co. | Preparation of viscosifiers for zinc salt workover and completion brines |
| US4537958A (en) * | 1984-06-29 | 1985-08-27 | The Dow Chemical Company | Process for preparing cellulose ethers |
| DE10308109A1 (de) * | 2003-02-26 | 2004-09-09 | Wolff Cellulosics Gmbh & Co. Kg | Wasserdispergierbare Polysaccharidderivate mit vermindertem Glyoxalgehalt und ein Verfahren zur Absenkung des Glyoxalgehalts in glyoxalvernetzten Polysaccharidderivaten |
| DE602005010362D1 (de) * | 2004-11-02 | 2008-11-27 | Shinetsu Chemical Co | Verfahren zur Abtrennung wasserlöslicher Celluloseether |
| KR101967478B1 (ko) * | 2012-12-07 | 2019-08-13 | 롯데정밀화학 주식회사 | 내오염성이 개선된 아세틸화 셀룰로오스 에테르의 제조방법 및 이로부터 얻은 아세틸화 셀룰로오스 에테르 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513917A (en) * | 1937-04-15 | 1939-10-25 | Du Pont | Improvements in and relating to the production of cellulose derivatives |
| DE1051836B (de) * | 1953-12-18 | 1959-03-05 | Dominion Tar & Chemical Compan | Verfahren zur Behandlung von wasserloeslichen Celluloseaethern |
| GB791315A (en) * | 1954-02-12 | 1958-02-26 | Mo Och Domsjoe Ab | A method of facilitating the dissolution of high molecular-weight cellulose derivatives |
| US3049537A (en) * | 1960-03-21 | 1962-08-14 | Hercules Powder Co Ltd | Water-soluble cellulose ethers and process |
-
1964
- 1964-05-02 DE DEH52574A patent/DE1244145B/de active Pending
-
1965
- 1965-03-24 NL NL6503739A patent/NL6503739A/xx unknown
- 1965-04-27 FR FR14890A patent/FR1444768A/fr not_active Expired
- 1965-04-28 US US451612A patent/US3347847A/en not_active Expired - Lifetime
- 1965-04-30 BE BE663259D patent/BE663259A/xx unknown
- 1965-04-30 SE SE05723/66A patent/SE332292B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE663259A (xx) | 1965-11-03 |
| US3347847A (en) | 1967-10-17 |
| NL6503739A (xx) | 1965-11-03 |
| DE1244145B (de) | 1967-07-13 |
| FR1444768A (fr) | 1966-07-08 |