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.

Date of Patent:
Mar. 03, 1992

Filed:

Sep. 30, 1988
Applicant:
Inventors:

Sumio Watanabe, Aichi, JP;

Ichiro Yamakawa, Ibaraki, JP;

Hidenobu Ando, Kagamigahara, JP;

Nobutaka Noda, Kagamigahara, JP;

Yasuo Miyake, Inuyama, JP;

Assignee:

Eisai Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; A61K / ;
U.S. Cl.
CPC ...
428407 ; 424468 ; 424472 ; 424476 ; 424494 ; 424498 ; 4284022 ; 42840221 ; 42840224 ; 428403 ;
Abstract

A multilayer granule of the invention comprises a core, a slow-release layer, a rapid-release layer to be provided outer of said slow-release layer and a film layer containing a metal stearate and being deposited between the slow-release layer and the rapid-release layer. A pharmacologically effective component is kept to discharge for long.


Find Patent Forward Citations

Loading…