KR20010051514A - 저치환도 히드록시프로필셀룰로오스 및 그의 제조방법 - Google Patents
저치환도 히드록시프로필셀룰로오스 및 그의 제조방법 Download PDFInfo
- Publication number
- KR20010051514A KR20010051514A KR1020000066064A KR20000066064A KR20010051514A KR 20010051514 A KR20010051514 A KR 20010051514A KR 1020000066064 A KR1020000066064 A KR 1020000066064A KR 20000066064 A KR20000066064 A KR 20000066064A KR 20010051514 A KR20010051514 A KR 20010051514A
- Authority
- KR
- South Korea
- Prior art keywords
- low
- hydroxypropyl cellulose
- bulk density
- hpc
- less
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
-
- 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
Abstract
Description
Claims (6)
- 펄프를 알칼리 용액에 침지하여 알칼리셀룰로오스를 조제하는 공정, 상기 알칼리셀룰로오스를 히드록시프로필화제와 반응시켜 그 생성물을 완전 용해 상태로 만드는 공정, 산으로 중화하여 정출시키는 공정, 세정 공정, 건조 공정, 및 건식 레이저 회절법에 의해 측정되는 체적 평균 입도가 25 마이크론 미만, 소충전 부피 밀도가 0.29 g/㎖ 이상 0.40 g/㎖ 미만, 밀충전 부피 밀도가 0.55 g/㎖ 이상인 분쇄물을 수득하기 위한 분쇄 공정을 포함하는 저치환도 히드록시프로필셀룰로오스의 제조방법.
- 건식 레이저 회절법에 의해 측정되는 체적 평균 입도가 30 마이크론 이상, 소충전 부피 밀도가 0.40 g/㎖ 이상, 밀충전 부피 밀도가 0.60 g/㎖ 이상인 저치환도 히드록시프로필셀룰로오스를 다시 분쇄하는 것을 특징으로 하는 저치환도 히드록시프로필셀룰로오스의 제조방법.
- 제1항 또는 제2항의 방법에 의해 제조된 저치환도 히드록시프로필셀룰로오스.
- 건식 레이저 회절법에 의해 측정되는 체적 평균 입도가 25 마이크론 미만, 소충전 부피 밀도가 0.29 g/㎖ 이상 0.40 g/㎖ 미만, 밀충전 부피 밀도가 0.55 g/㎖ 이상인 저치환도 히드록시프로필셀룰로오스.
- 제3항 또는 제4항의 저치환도 히드록시프로필셀룰로오스를 함유하는 것을 특징으로 하는 고형 제제.
- 제5항에 있어서, 정제, 과립제, 세립제, 캡슐제로부터 선택되는 제형을 갖는 고형 제제.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31763699 | 1999-11-09 | ||
JP99-317636 | 1999-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010051514A true KR20010051514A (ko) | 2001-06-25 |
KR100463015B1 KR100463015B1 (ko) | 2005-01-07 |
Family
ID=18090378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0066064A KR100463015B1 (ko) | 1999-11-09 | 2000-11-08 | 저치환도 히드록시프로필셀룰로오스 및 그의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6680069B1 (ko) |
EP (1) | EP1099709B1 (ko) |
KR (1) | KR100463015B1 (ko) |
DE (1) | DE60044075D1 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US7009046B2 (en) | 2001-12-11 | 2006-03-07 | Shin-Etsu Chemical Co. Ltd. | Low-substituted hydroxypropyl cellulose and agent serving both as binder and disintegrant for dry direct compression |
JP2003252749A (ja) * | 2002-03-04 | 2003-09-10 | Shin Etsu Chem Co Ltd | 外用基剤 |
JP2004216610A (ja) * | 2003-01-10 | 2004-08-05 | Shin Etsu Chem Co Ltd | 紙/フィルム複合構造体及びその製造方法 |
JP2005187376A (ja) * | 2003-12-25 | 2005-07-14 | Shin Etsu Chem Co Ltd | 低置換度セルロースエーテル含有カプセル及びその製造方法 |
US8343547B2 (en) | 2006-08-08 | 2013-01-01 | Shin-Etsu Chemical Co., Ltd. | Solid dosage form comprising solid dispersion |
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 |
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 |
US20090068320A1 (en) * | 2007-09-07 | 2009-03-12 | Daniel Mark Johnson | High bulk density compositions of beta-glucan and methods for making the same |
CN101555285B (zh) * | 2008-12-19 | 2010-12-01 | 浙江中维药业有限公司 | 低取代羟丙纤维素的制备方法 |
TWI454485B (zh) | 2009-09-02 | 2014-10-01 | Nippon Soda Co | 羥丙基纖維素粒子 |
TWI400089B (zh) * | 2009-11-24 | 2013-07-01 | Nippon Soda Co | 羥烷基纖維素微粒子 |
WO2012138533A1 (en) * | 2011-04-06 | 2012-10-11 | Dow Global Technologies Llc | Process for producing cellulose derivatives of high bulk density, good flowability and improved dispersibility in cold water |
KR102171570B1 (ko) | 2012-09-25 | 2020-10-29 | 다우 글로벌 테크놀로지스 엘엘씨 | 높은 벌크 밀도, 우수한 유동성 및/또는 우수한 냉수 분산성 및 약한 용액 색을 갖는 셀룰로스 유도체의 제조 방법 |
EP2733154B1 (en) * | 2012-11-16 | 2015-06-17 | Shin-Etsu Chemical Co., Ltd. | Method for producing purified low-substituted hydroxypropyl cellulose |
CA3008197A1 (en) | 2015-12-16 | 2017-06-22 | Denis Bricout | Pulsatile release pharmaceutical composition comprising naftazone or one of its salts |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2488631A (en) | 1945-05-19 | 1949-11-22 | American Viscose Corp | Cellulose ethers and the process for producing the same |
NL99185C (ko) | 1959-07-30 | |||
US3251824A (en) | 1961-08-22 | 1966-05-17 | Fmc Corp | Method of preparing stable aqueous dispersion-forming cellulosic aggregates |
US3852421A (en) | 1970-03-23 | 1974-12-03 | Shinetsu Chemical Co | Excipient and shaped medicaments prepared therewith |
JPS5119017B2 (ko) | 1972-04-12 | 1976-06-14 | ||
JPS5163927A (en) * | 1974-11-28 | 1976-06-02 | Shinetsu Chemical Co | Ketsugoseiryokonajozaihokaizaino seizohoho |
DE3038001A1 (de) | 1980-10-08 | 1982-05-06 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur herstellung von mikropulvern aus celluloseether oder cellulose |
US4329451A (en) | 1980-11-03 | 1982-05-11 | The Dow Chemical Company | Preparing an aqueous dispersion of colloidal size particles of a water-insoluble polysaccharide derivative |
US4716186A (en) | 1986-04-09 | 1987-12-29 | A. E. Staley Manufacturing Company | Starch derivatives and methods of making using same |
US5026560A (en) | 1987-01-29 | 1991-06-25 | Takeda Chemical Industries, Ltd. | Spherical granules having core and their production |
US5200194A (en) | 1991-12-18 | 1993-04-06 | Alza Corporation | Oral osmotic device |
GB2262527A (en) | 1992-07-02 | 1993-06-23 | Dow Deutschland Inc | Process for grinding cellulose compounds |
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 |
FR2736550B1 (fr) | 1995-07-14 | 1998-07-24 | Sandoz Sa | Composition pharmaceutique sous la forme d'une dispersion solide comprenant un macrolide et un vehicule |
JP3212532B2 (ja) | 1997-03-26 | 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の製造方法 |
TW592727B (en) | 1997-04-04 | 2004-06-21 | Chugai Pharmaceutical Co Ltd | Phosphate-binding polymer preparations |
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 |
-
2000
- 2000-11-06 US US09/707,204 patent/US6680069B1/en not_active Expired - Lifetime
- 2000-11-07 DE DE60044075T patent/DE60044075D1/de not_active Expired - Lifetime
- 2000-11-07 EP EP00309872A patent/EP1099709B1/en not_active Expired - Lifetime
- 2000-11-08 KR KR10-2000-0066064A patent/KR100463015B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE60044075D1 (de) | 2010-05-12 |
US6680069B1 (en) | 2004-01-20 |
EP1099709A1 (en) | 2001-05-16 |
KR100463015B1 (ko) | 2005-01-07 |
EP1099709B1 (en) | 2010-03-31 |
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