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:
Dec. 22, 1998
Filed:
Dec. 10, 1996
Applicant:
Inventors:
Keiji Fujioka, Hyogo Prefecture, JP;
Takeshi Hirasawa, Osaka Prefecture, JP;
Masako Kajihara, Hyogo Prefecture, JP;
Akihiko Sano, Osaka Prefecture, JP;
Shuichi Sugawara, Kanagawa Prefecture, JP;
Yosuke Urabe, Kanagawa Prefecture, JP;
Assignees:
Dow Corning Asia, Ltd., Tokyo, JP;
Sumitomo Pharmaceuticals Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424426 ; 424423 ; 424424 ;
Abstract
A drug formulation for producing sustained therapeutic efficacy, which releases at least one water-soluble drug over a prolonged period of time at a substantially constant rate wherein said drug formulation comprises