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:
Jul. 18, 1989
Filed:
Dec. 24, 1986
Applicant:
Inventors:
Keiji Fujioka, Amagasaki, JP;
Shigeji Sato, Ibaraki, JP;
Yoshio Sasaki, Ibaraki, JP;
Teruo Miyata, Tokyo, JP;
Masayasu Furuse, Sagamihara, JP;
Hiromi Naito, Tokyo, JP;
Assignees:
Sumitomo Pharmaceuticals Company, Limited, Osaka, JP;
Koken Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ; C07G / ;
U.S. Cl.
CPC ...
264207 ; 264 28 ; 26421111 ; 26421119 ; 264232 ; 264233 ; 264299 ; 264330 ; 424426 ; 424456 ; 424457 ; 514773 ; 514774 ; 514801 ;
Abstract
A method for preparing a sustained release formulation utilizing collagen and/or gelatin as a carrier, which comprises the steps: