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:
Aug. 17, 1993
Filed:
Jun. 17, 1991
Applicant:
Inventors:
Takahiko Wato, Kagawa, JP;
Teruo Hama, Kagawa, JP;
Nobuko Inoue, Kagawa, JP;
Yukihiro Tada, Takamatsu, JP;
Shin-ichi Hisaichi, Kagawa, JP;
Assignee:
Teikoku Seiyaku Kabushiki Kaisha, Kagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424443 ; 424448 ; 424449 ; 424447 ;
Abstract
A preparation for intermittently releasing an active agent which comprises a laminated combination of a release-controlling layer and a pharmaceutically active agent-containing layer wherein one or more of pharmaceutically active agent layers are incorporated into said release-controlling layer. The preparation in accordance with the present invention can intermittently control the release of the active agent to decrease a dosage time and is applicable to the mucous membrane or gingivae within the oral cavity.