CA1010856A - Hydroxypropyi methylcellulose ethers and method of preparation - Google Patents
Hydroxypropyi methylcellulose ethers and method of preparationInfo
- Publication number
- CA1010856A CA1010856A CA190,995A CA190995A CA1010856A CA 1010856 A CA1010856 A CA 1010856A CA 190995 A CA190995 A CA 190995A CA 1010856 A CA1010856 A CA 1010856A
- Authority
- CA
- Canada
- Prior art keywords
- preparation
- methylcellulose ethers
- hydroxypropyi methylcellulose
- hydroxypropyi
- ethers
- 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
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00327013A US3839319A (en) | 1973-01-26 | 1973-01-26 | Hydroxypropyl methylcellulose ethers and method of preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1010856A true CA1010856A (en) | 1977-05-24 |
Family
ID=23274758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA190,995A Expired CA1010856A (en) | 1973-01-26 | 1974-01-25 | Hydroxypropyi methylcellulose ethers and method of preparation |
Country Status (12)
Country | Link |
---|---|
US (1) | US3839319A (pt) |
JP (1) | JPS49107081A (pt) |
AU (1) | AU476424B2 (pt) |
BE (1) | BE810160A (pt) |
BR (1) | BR7400530D0 (pt) |
CA (1) | CA1010856A (pt) |
DE (1) | DE2402740A1 (pt) |
FR (1) | FR2215427B1 (pt) |
GB (1) | GB1451412A (pt) |
IT (1) | IT1002757B (pt) |
NL (1) | NL7400870A (pt) |
SE (1) | SE396393B (pt) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109851681A (zh) * | 2018-12-19 | 2019-06-07 | 安徽山河药用辅料股份有限公司 | 一种植物胶囊专用羟丙甲纤维素的制备方法 |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3954626A (en) * | 1973-09-24 | 1976-05-04 | The Dow Chemical Company | Well treating composition and method |
US4096325A (en) * | 1976-02-20 | 1978-06-20 | Anheuser-Busch, Incorporated | Methyl hydroxypropyl cellulose ethers |
US4369172A (en) * | 1981-12-18 | 1983-01-18 | Forest Laboratories Inc. | Prolonged release therapeutic compositions based on hydroxypropylmethylcellulose |
DE3151681A1 (de) | 1981-12-28 | 1983-07-07 | Henkel KGaA, 4000 Düsseldorf | "hydroxyalkylcellulosen mit verbesserter stabilitaet gegen abbau, verfahren zu ihrer herstellung und ihre verwendung" |
US4389393A (en) * | 1982-03-26 | 1983-06-21 | Forest Laboratories, Inc. | Sustained release therapeutic compositions based on high molecular weight hydroxypropylmethylcellulose |
US4419510A (en) * | 1982-07-30 | 1983-12-06 | The Dow Chemical Company | Method for controlling cellulose etherification reaction |
US4429120A (en) | 1982-12-29 | 1984-01-31 | The Dow Chemical Company | Ethylhydroxyalkylmethylcellulose ethers |
DE3316124A1 (de) * | 1983-05-03 | 1984-11-08 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
US4477657A (en) * | 1983-07-08 | 1984-10-16 | The Dow Chemical Company | Process for preparing hydroxyalkylcellulose ethers |
US4456751A (en) * | 1983-09-22 | 1984-06-26 | The Dow Chemical Company | Multiple stage process for preparing mixed hydroxyalkylcellulose ethers |
US4523010A (en) * | 1984-06-15 | 1985-06-11 | Hercules Incorporated | Dihydroxypropyl mixed ether derivatives of cellulose |
GR860550B (en) | 1985-02-28 | 1986-06-24 | Dow Chemical Co | Hydroxypropyl methyl cellulose ethers useful as suspending agents for suspension polymerization of vinyl chloride and as thickening agents for organic liquid |
US5003057A (en) * | 1988-12-23 | 1991-03-26 | Henkel Kommanditgesellschaft Auf Aktien | Process for production of glycosides |
DE4015160A1 (de) | 1990-05-11 | 1991-11-14 | Wolff Walsrode Ag | Methylhydroxypropylcelluloseether und verfahren zu ihrer herstellung |
US5969052A (en) | 1996-12-31 | 1999-10-19 | Kimberly Clark Worldwide, Inc. | Temperature sensitive polymers and water-dispersible products containing the polymers |
US5770528A (en) * | 1996-12-31 | 1998-06-23 | Kimberly-Clark Worldwide, Inc. | Methylated hydroxypropylcellulose and temperature responsive products made therefrom |
US5986004A (en) | 1997-03-17 | 1999-11-16 | Kimberly-Clark Worldwide, Inc. | Ion sensitive polymeric materials |
US7179486B1 (en) | 1997-04-01 | 2007-02-20 | Nostrum Pharmaceuticals, Inc. | Process for preparing sustained release tablets |
US6043317A (en) | 1997-05-23 | 2000-03-28 | Kimberly-Clark Worldwide, Inc. | Ion sensitive binder for fibrous materials |
US5976694A (en) | 1997-10-03 | 1999-11-02 | Kimberly-Clark Worldwide, Inc. | Water-sensitive compositions for improved processability |
US6423804B1 (en) | 1998-12-31 | 2002-07-23 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive hard water dispersible polymers and applications therefor |
US7276459B1 (en) | 2000-05-04 | 2007-10-02 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6713414B1 (en) | 2000-05-04 | 2004-03-30 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6579570B1 (en) | 2000-05-04 | 2003-06-17 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6204369B1 (en) | 1999-06-08 | 2001-03-20 | Henkel Corporation | Process for the preparation of alykl polyglycosides |
US6444214B1 (en) | 2000-05-04 | 2002-09-03 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6548592B1 (en) | 2000-05-04 | 2003-04-15 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6653406B1 (en) | 2000-05-04 | 2003-11-25 | Kimberly Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6429261B1 (en) | 2000-05-04 | 2002-08-06 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6599848B1 (en) | 2000-05-04 | 2003-07-29 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US7101612B2 (en) | 2000-05-04 | 2006-09-05 | Kimberly Clark Worldwide, Inc. | Pre-moistened wipe product |
US6815502B1 (en) | 2000-05-04 | 2004-11-09 | Kimberly-Clark Worldwide, Inc. | Ion-sensitive, water-dispersable polymers, a method of making same and items using same |
US6683143B1 (en) | 2000-05-04 | 2004-01-27 | Kimberly Clark Worldwide, Inc. | Ion-sensitive, water-dispersible polymers, a method of making same and items using same |
US6835678B2 (en) | 2000-05-04 | 2004-12-28 | Kimberly-Clark Worldwide, Inc. | Ion sensitive, water-dispersible fabrics, a method of making same and items using same |
DE10038978A1 (de) | 2000-08-10 | 2002-02-21 | Wolff Walsrode Ag | Verfahren zur Herstellung von Alkylhydroxyalkylcellulose |
US6908966B2 (en) | 2001-03-22 | 2005-06-21 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
US6897168B2 (en) | 2001-03-22 | 2005-05-24 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
US6828014B2 (en) | 2001-03-22 | 2004-12-07 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
US7070854B2 (en) | 2001-03-22 | 2006-07-04 | Kimberly-Clark Worldwide, Inc. | Water-dispersible, cationic polymers, a method of making same and items using same |
CN1507453A (zh) | 2001-05-21 | 2004-06-23 | 陶氏环球技术公司 | 生产烷基羟烷基纤维素醚的方法 |
DE10135464A1 (de) * | 2001-07-20 | 2003-02-06 | Wolff Walsrode Ag | Verfahren zur Herstellung von Alkylhydroxyalkylcellulose |
JP4122860B2 (ja) | 2002-06-21 | 2008-07-23 | 株式会社ダイフク | 移動体使用の搬送設備 |
US20080287418A1 (en) * | 2007-05-16 | 2008-11-20 | Astrazeneca Ab | Extended Release Compositions and Methods for Their Manufacture |
BRPI1006378B1 (pt) | 2009-03-05 | 2019-09-17 | Dow Global Technologies Llc | Processo para a produção de celulose alcalina |
US9580581B2 (en) * | 2010-10-12 | 2017-02-28 | Dow Global Technologies Llc | Cellulose ethers and their use |
EP2627676B1 (en) * | 2010-10-12 | 2017-03-08 | Dow Global Technologies LLC | Novel cellulose ethers and their use |
JP6273076B2 (ja) | 2014-10-31 | 2018-01-31 | ダウ グローバル テクノロジーズ エルエルシー | セルロースエーテルのエステルを調製するための効率的な方法 |
KR101805756B1 (ko) | 2015-01-08 | 2018-01-10 | 다우 글로벌 테크놀로지스 엘엘씨 | 감소된 함량의 수-불용성 입자를 갖는 수용성 셀룰로오스 유도체를 생산하는 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2958607A (en) * | 1958-01-23 | 1960-11-01 | Dow Chemical Co | Water-soluble thermoplastic cellulose ether compositions and films prepared therefrom |
FR1399176A (fr) * | 1963-06-19 | 1965-05-14 | Toyo Spinning Co | Procédé de préparation d'éthers cellulosiques solubles dans l'eau |
GB1144225A (en) * | 1965-09-07 | 1969-03-05 | Dow Chemical Co | Preparation of medicinal capsule shells from hydroxyalkyl-alkyl cellulose ethers |
US3388082A (en) * | 1965-11-01 | 1968-06-11 | Dow Chemical Co | Novel hydroxypropyl methyl cellulose ethers, a process for preparing the same, and compositions utilizing such ethers |
JPS4819231B1 (pt) * | 1970-03-06 | 1973-06-12 |
-
1973
- 1973-01-26 US US00327013A patent/US3839319A/en not_active Expired - Lifetime
-
1974
- 1974-01-14 AU AU64489/74A patent/AU476424B2/en not_active Expired
- 1974-01-21 DE DE2402740A patent/DE2402740A1/de active Pending
- 1974-01-22 NL NL7400870A patent/NL7400870A/xx not_active Application Discontinuation
- 1974-01-23 JP JP49009430A patent/JPS49107081A/ja active Pending
- 1974-01-24 BR BR530/74A patent/BR7400530D0/pt unknown
- 1974-01-24 IT IT47907/74A patent/IT1002757B/it active
- 1974-01-25 CA CA190,995A patent/CA1010856A/en not_active Expired
- 1974-01-25 FR FR7402493A patent/FR2215427B1/fr not_active Expired
- 1974-01-25 BE BE140176A patent/BE810160A/xx unknown
- 1974-01-25 SE SE7401016A patent/SE396393B/xx unknown
- 1974-01-28 GB GB377874A patent/GB1451412A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109851681A (zh) * | 2018-12-19 | 2019-06-07 | 安徽山河药用辅料股份有限公司 | 一种植物胶囊专用羟丙甲纤维素的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2215427A1 (pt) | 1974-08-23 |
SE396393B (sv) | 1977-09-19 |
NL7400870A (pt) | 1974-07-30 |
IT1002757B (it) | 1976-05-20 |
AU476424B2 (en) | 1976-09-23 |
BR7400530D0 (pt) | 1974-08-22 |
AU6448974A (en) | 1975-07-17 |
BE810160A (fr) | 1974-07-25 |
DE2402740A1 (de) | 1974-08-01 |
US3839319A (en) | 1974-10-01 |
GB1451412A (en) | 1976-10-06 |
FR2215427B1 (pt) | 1978-10-27 |
JPS49107081A (pt) | 1974-10-11 |
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