DE60221342D1 - Niedrig substituierte Hydroxypropylzellulose - Google Patents

Niedrig substituierte Hydroxypropylzellulose

Info

Publication number
DE60221342D1
DE60221342D1 DE60221342T DE60221342T DE60221342D1 DE 60221342 D1 DE60221342 D1 DE 60221342D1 DE 60221342 T DE60221342 T DE 60221342T DE 60221342 T DE60221342 T DE 60221342T DE 60221342 D1 DE60221342 D1 DE 60221342D1
Authority
DE
Germany
Prior art keywords
hydroxypropyl cellulose
substituted hydroxypropyl
low substituted
low
cellulose
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 - Lifetime
Application number
DE60221342T
Other languages
English (en)
Other versions
DE60221342T2 (de
Inventor
Naosuke Maruyama
Hiroshi Umezawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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 by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of DE60221342D1 publication Critical patent/DE60221342D1/de
Application granted granted Critical
Publication of DE60221342T2 publication Critical patent/DE60221342T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • 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
    • 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
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (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)
  • Medicinal Preparation (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE60221342T 2001-12-11 2002-12-10 Niedrig substituierte Hydroxypropylzellulose Expired - Lifetime DE60221342T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001376768 2001-12-11
JP2001376768 2001-12-11

Publications (2)

Publication Number Publication Date
DE60221342D1 true DE60221342D1 (de) 2007-09-06
DE60221342T2 DE60221342T2 (de) 2008-04-10

Family

ID=19184893

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60221342T Expired - Lifetime DE60221342T2 (de) 2001-12-11 2002-12-10 Niedrig substituierte Hydroxypropylzellulose

Country Status (3)

Country Link
US (1) US7009046B2 (de)
EP (1) EP1319670B1 (de)
DE (1) DE60221342T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101121755B (zh) * 2006-08-08 2012-04-11 信越化学工业株式会社 低取代羟丙基纤维素粉末及其制备方法
US8343547B2 (en) 2006-08-08 2013-01-01 Shin-Etsu Chemical Co., Ltd. Solid dosage form comprising solid dispersion
US8343548B2 (en) 2006-08-08 2013-01-01 Shin-Etsu Chemical Co., Ltd. Solid dosage form comprising solid dispersion
US8519120B2 (en) 2006-08-08 2013-08-27 Shin-Etsu Chemical Co., Ltd. Methods for producing a low-substituted hydroxypropylcellulose powder
CN101591448B (zh) * 2009-06-22 2012-02-15 天津科技大学 高复水性细菌纤维素膜的制备方法
CN102924609A (zh) * 2012-12-04 2013-02-13 新疆光大山河化工科技有限公司 一种分步法生产低取代羟丙基纤维素的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4642792B1 (de) 1969-10-17 1971-12-17
US3852421A (en) 1970-03-23 1974-12-03 Shinetsu Chemical Co Excipient and shaped medicaments prepared therewith
JPS5163927A (en) 1974-11-28 1976-06-02 Shinetsu Chemical Co Ketsugoseiryokonajozaihokaizaino seizohoho
JPS55137102A (en) 1979-04-12 1980-10-25 Yamanouchi Pharmaceut Co Ltd Aqueous gelatinous low-substituted hydroxypropyl cellulose, dried solid thereof and production thereof
JPH01152103A (ja) 1987-12-08 1989-06-14 Nippon Soda Co Ltd セルロース誘導体球状粒子およびその製造方法
JPH05163162A (ja) 1991-12-12 1993-06-29 Shin Etsu Chem Co Ltd 球形顆粒の製造方法
JP2994956B2 (ja) 1994-05-31 1999-12-27 信越化学工業株式会社 低置換度ヒドロキシプロピルセルロース、その組成物およびその錠剤
JPH08229103A (ja) 1995-02-27 1996-09-10 Shin Etsu Chem Co Ltd 低置換度ヒドロキシプロピルセルロースの流動化方法および固形製剤の製造方法
JP3212534B2 (ja) 1997-04-08 2001-09-25 信越化学工業株式会社 低置換度ヒドロキシプロピルセルロース粉末
JP3718341B2 (ja) 1998-05-12 2005-11-24 信越化学工業株式会社 低置換度ヒドロキシプロピルセルロースとその製造方法
US6680069B1 (en) 1999-11-09 2004-01-20 Shin-Etsu Chemical Co., Ltd. Low-substituted hydroxypropyl cellulose and process for manufacturing the same
JP3552160B2 (ja) 2000-01-14 2004-08-11 信越化学工業株式会社 低置換度ヒドロキシプロピルセルロース粒子の形成方法
JP3595765B2 (ja) 2000-09-27 2004-12-02 信越化学工業株式会社 低置換度ヒドロキシプロピルセルロースを含む乾式直打用基剤

Also Published As

Publication number Publication date
EP1319670A1 (de) 2003-06-18
US7009046B2 (en) 2006-03-07
EP1319670B1 (de) 2007-07-25
DE60221342T2 (de) 2008-04-10
US20030108604A1 (en) 2003-06-12

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Legal Events

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