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:
Jan. 03, 2012
Filed:
Jun. 24, 2003
Applicants:
Kazumichi Yamamoto, Kyoto, JP;
Kazuhiro Saito, Hyogo, JP;
Tetsuo Hoshino, Osaka, JP;
Inventors:
Assignee:
Takeda Pharmaceutical Company Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 38/00 (2006.01); A61K 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing a sustained-release composition which comprises mixing an aqueous solution containing a physiologically active substance and an acid or base in a molar amount of 1.5 or more times that of the physiologically active substance with a solution of a biodegradable polymer and then drying the mixture is provided.