BE810160A - Nouveaux ethers d'hydroxypropyl-methylcellulose et leur procedede preparation - Google Patents

Nouveaux ethers d'hydroxypropyl-methylcellulose et leur procedede preparation

Info

Publication number
BE810160A
BE810160A BE140176A BE140176A BE810160A BE 810160 A BE810160 A BE 810160A BE 140176 A BE140176 A BE 140176A BE 140176 A BE140176 A BE 140176A BE 810160 A BE810160 A BE 810160A
Authority
BE
Belgium
Prior art keywords
preparation process
methylcellulose ethers
hydroxypropyl
new
new hydroxypropyl
Prior art date
Application number
BE140176A
Other languages
English (en)
French (fr)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE810160A publication Critical patent/BE810160A/xx

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)
BE140176A 1973-01-26 1974-01-25 Nouveaux ethers d'hydroxypropyl-methylcellulose et leur procedede preparation BE810160A (fr)

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
BE810160A true BE810160A (fr) 1974-07-25

Family

ID=23274758

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140176A BE810160A (fr) 1973-01-26 1974-01-25 Nouveaux ethers d'hydroxypropyl-methylcellulose et leur procedede preparation

Country Status (12)

Country Link
US (1) US3839319A (xx)
JP (1) JPS49107081A (xx)
AU (1) AU476424B2 (xx)
BE (1) BE810160A (xx)
BR (1) BR7400530D0 (xx)
CA (1) CA1010856A (xx)
DE (1) DE2402740A1 (xx)
FR (1) FR2215427B1 (xx)
GB (1) GB1451412A (xx)
IT (1) IT1002757B (xx)
NL (1) NL7400870A (xx)
SE (1) SE396393B (xx)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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 (xx) * 1970-03-06 1973-06-12

Also Published As

Publication number Publication date
FR2215427A1 (xx) 1974-08-23
SE396393B (sv) 1977-09-19
NL7400870A (xx) 1974-07-30
IT1002757B (it) 1976-05-20
AU476424B2 (en) 1976-09-23
CA1010856A (en) 1977-05-24
BR7400530D0 (pt) 1974-08-22
AU6448974A (en) 1975-07-17
DE2402740A1 (de) 1974-08-01
US3839319A (en) 1974-10-01
GB1451412A (en) 1976-10-06
FR2215427B1 (xx) 1978-10-27
JPS49107081A (xx) 1974-10-11

Similar Documents

Publication Publication Date Title
BE810160A (fr) Nouveaux ethers d'hydroxypropyl-methylcellulose et leur procedede preparation
FR2285389A1 (fr) Nouveaux multiheteromacrocycles et leur procede de preparation
FR2287235A1 (fr) Nouveaux antibiotiques et leur preparation
FR2279744A1 (fr) Nouveaux composes du type g-lactones et g-lactols et leur procede de preparation
BE820163A (fr) Triazolopyridazines et leur preparation
FR2279709A1 (fr) Nouveaux bicyclooctadienes et leur procede de preparation
BE829268A (fr) Nouveaux antibiotiques et leur preparation
BE844066A (fr) Nouveaux ethers de 2', 3,6'-trichloro-4-cyano-4'-benzoylureidodiphenyle, leur procede de preparation et leur application
BE819627A (fr) Pigments azomethiniques et leur preparation
BE810841A (fr) Perfluoro-amino-ethers tertiaires et leur preparation
BE814415A (fr) Complexes d'adriamycine et leur application pharmacologique
FR2296614A1 (fr) Nouveaux composes odoriferants et leur procede de preparation
BE819321A (fr) Nouveaux 2,3-dihydrobenzofuranyl-7-n-methyl-carbamates n-sulfenyles, leur procede de preparation et leur application
FR2334681A1 (fr) Nouveaux derives de l'acide lysergique et leur preparation
BE811370A (fr) Nouveaux antibiotiques et leur procede de preparation
BE876812A (fr) Nouveaux antibiotiques et leur preparation
FR2278686A1 (fr) Nouveaux composes pyrazolium et leur procede de preparation
BE831855A (fr) Nouveaux derives d'oxyphenylbutazone et leur procede de preparation
FR2274604A1 (fr) Nouveaux polypeptides et leur procede de preparation
BE824815A (fr) Nouveaux lipopolysaccharides et leur procede de preparation
FR2330675A1 (fr) Nouveaux derives d'isothiouree et leur procede de preparation
FR2278329A1 (fr) Nouveaux ethers basiques et procede pour leur preparation
BE816990A (fr) Nouveaux cardenolides et leur preparation
BE823585A (fr) Pigments bis-azoiques et leur preparation
BE810812A (fr) Nouveaux colorants anthraquinoniques et leur preparation