The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 1994
Filed:
Jun. 04, 1991
Applicant:
Inventors:
Tsutomu Suzuki, Toyohashi, JP;
Kenichi Hashiudo, Toyohashi, JP;
Takayuki Matsumoto, Toyohashi, JP;
Toshihiro Higashide, Toyohashi, JP;
Takeru Fujii, Naruto, JP;
Assignee:
Aicello Chemical Co., Ltd., Toyohashi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424451 ; 424436 ; 424438 ; 424459 ; 424461 ; 424463 ; 514-3 ; 514808 ; 536 20 ;
Abstract
A large intestinal dissociative hard capsule comprising a capsule mainly composed of chitosan, the viscosity at 20.degree. C. of a solution obtained by dissolving the chitosan in an aqueous 1% by weight acetic acid solution being not higher than 100 cps and the degree of deacetilation of the chitosan being from 60 mol % to 98 mol %, having a coated layer of a polymer soluble in a liquid having pH of at least 5 on the surface of the capsule.