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. 19, 1991
Filed:
Jan. 26, 1989
Applicant:
Inventors:
Shigeru Aoki, Gifu, JP;
Keizo Uesugi, Aichi, JP;
Shigeru Sakashita, Gifu, JP;
Masayoshi Kasai, Gifu, JP;
Masanori Kayano, Saitama, JP;
Assignee:
Eisai Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424494 ; 424490 ; 424493 ; 424496 ; 424498 ;
Abstract
A multi-layered granule comprises an inner, slow-releasing layer, an outer, rapid-releasing layer and an intermediate layer provided between said slow-releasing layer and said rapid-releasing layer which intermediate layer comprises a hardened oil and hydroxypropyl cellulose or methyl cellulose.