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:
Jul. 10, 2001
Filed:
Sep. 24, 1999
Applicant:
Inventors:
Hiroyasu Kokubo, Nakakubiki-gun, JP;
Yuichi Nishiyama, Nakakubiki-gun, JP;
Assignee:
Shin-Etsu Chemical Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/170 ; C08B 3/00 ;
U.S. Cl.
CPC ...
A61K 3/170 ; C08B 3/00 ;
Abstract
An aqueous coating composition comprising hydroxypropyl methyl cellulose trimellitate typically having a mean particle size of up to 10 &mgr;m and a plasticizer is applied to a solid pharmaceutical preparation to form a coating film having acid resistance and solubility at about pH 4. The coated preparation has an improved bioavailability.