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:
Nov. 17, 1992
Filed:
Jul. 19, 1991
Applicant:
Inventors:
Minoru Okada, Inzai, JP;
Tetsuo Hayashi, Tomisato, JP;
Shuichi Kasai, Narita, JP;
Akira Iwasa, Yotsukaido, JP;
Assignee:
SS Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424468 ; 424465 ;
Abstract
A sustained-release tablet is disclosed. The tablet is a combination of powder (A) comprising an oil component, water insoluble polymer, or both, and a pharmaceutically active component and powder (B) comprising a water soluble polymer and a pharmaceutically active component. An ideal release rate for individual pharmaceutically active component can easily be ensured by controlling its release rate by changing the ratio of powders (A) and (B).