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:
Aug. 27, 2002
Filed:
Jul. 27, 1998
Applicant:
Inventors:
Assignee:
Allergan Sales, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/10 ; A61K 4/734 ;
U.S. Cl.
CPC ...
A61K 9/10 ; A61K 4/734 ;
Abstract
A pharmaceutical composition for the controlled release of therapeutic agents from carboxylic acid ortho ester polymers contains a pharmaceutically acceptable salt of an acid, which together with the acid R1-COOH liberated from the decomposition of the ortho ester polymer forms a buffer system in a physiologically acceptable pH range.