JPS5657719A - Preparation of pharmaceutical - Google Patents

Preparation of pharmaceutical

Info

Publication number
JPS5657719A
JPS5657719A JP13240379A JP13240379A JPS5657719A JP S5657719 A JPS5657719 A JP S5657719A JP 13240379 A JP13240379 A JP 13240379A JP 13240379 A JP13240379 A JP 13240379A JP S5657719 A JPS5657719 A JP S5657719A
Authority
JP
Japan
Prior art keywords
cmc
effective component
mesh
composition containing
white powder
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.)
Granted
Application number
JP13240379A
Other languages
Japanese (ja)
Other versions
JPS6354693B2 (en
Inventor
Kimihiko Takeo
Yorio Uesugi
Toichiro Hirano
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry 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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP13240379A priority Critical patent/JPS5657719A/en
Publication of JPS5657719A publication Critical patent/JPS5657719A/en
Publication of JPS6354693B2 publication Critical patent/JPS6354693B2/ja
Granted legal-status Critical Current

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  • Medicinal Preparation (AREA)

Abstract

PURPOSE: To prepare a pharmaceutical preparation which releases its effective component rapidly, by forming a mixture of a composition containing the effective component and a powdery CMC-Na prepared by a specific treatment.
CONSTITUTION: Fibrous or nonfibrous CMC-Na having a substitution degree of 0.4W2.0 is slurrified in an aqueous medium. The slurry is adjusted to pH 2W5 with a mineral acid (pref. hydrochloric acid) and washed until the pH of the liquid reaches to 6W7. The medium is evaporated and the residue is heated at 120W200°C. The heat treated CMC-Na is crushed to obtain white powder of heat-treated CMC- Na having a bulk specific volume of 1.8W3.4cc/g and a particle size distribution corresponding to the residues on the Tyler-42 mesh, 200 mesh and 325 mesh sieves of 0, ≤50wt%, respectively. The white powder is added as a disintegrant to a composition containing the effective component, and formed to the desired form such as tablets, granules, etc.
COPYRIGHT: (C)1981,JPO&Japio
JP13240379A 1979-10-16 1979-10-16 Preparation of pharmaceutical Granted JPS5657719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13240379A JPS5657719A (en) 1979-10-16 1979-10-16 Preparation of pharmaceutical

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13240379A JPS5657719A (en) 1979-10-16 1979-10-16 Preparation of pharmaceutical

Publications (2)

Publication Number Publication Date
JPS5657719A true JPS5657719A (en) 1981-05-20
JPS6354693B2 JPS6354693B2 (en) 1988-10-28

Family

ID=15080571

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13240379A Granted JPS5657719A (en) 1979-10-16 1979-10-16 Preparation of pharmaceutical

Country Status (1)

Country Link
JP (1) JPS5657719A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650716A (en) * 1985-05-14 1987-03-17 Hercules Incorporated Novel salts of carboxymethylcellulose
US4689408A (en) * 1985-05-14 1987-08-25 Hercules Incorporated Method of preparing salts of carboxymethylcellulose
US4704285A (en) * 1985-11-18 1987-11-03 The Dow Chemical Company Sustained release compositions comprising hydroxypropyl cellulose ethers
US4734285A (en) * 1985-10-28 1988-03-29 The Dow Chemical Company Sustained release compositions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01134007U (en) * 1988-03-09 1989-09-12
JPH0413510U (en) * 1990-05-28 1992-02-04

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1086323A (en) * 1963-07-18 1967-10-11 Courtaulds Ltd Derivative of carboxy methyl cellulose
JPS5163927A (en) * 1974-11-28 1976-06-02 Shinetsu Chemical Co Ketsugoseiryokonajozaihokaizaino seizohoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1086323A (en) * 1963-07-18 1967-10-11 Courtaulds Ltd Derivative of carboxy methyl cellulose
JPS5163927A (en) * 1974-11-28 1976-06-02 Shinetsu Chemical Co Ketsugoseiryokonajozaihokaizaino seizohoho

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650716A (en) * 1985-05-14 1987-03-17 Hercules Incorporated Novel salts of carboxymethylcellulose
US4689408A (en) * 1985-05-14 1987-08-25 Hercules Incorporated Method of preparing salts of carboxymethylcellulose
US4734285A (en) * 1985-10-28 1988-03-29 The Dow Chemical Company Sustained release compositions
US4704285A (en) * 1985-11-18 1987-11-03 The Dow Chemical Company Sustained release compositions comprising hydroxypropyl cellulose ethers

Also Published As

Publication number Publication date
JPS6354693B2 (en) 1988-10-28

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