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:
Mar. 01, 1977
Filed:
Jun. 25, 1975
Applicant:
Inventor:
Andrew G Tsuk, Plattsburg, NY (US);
Assignee:
American Home Products Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07L / ;
U.S. Cl.
CPC ...
2604 / ; 424 78 ;
Abstract
Polyester salts of the formula ##STR1## wherein X is an alkali metal, hydrogen or a combination of the two; R is methyl or hydrogen and m has a value from about 3 to about 30. These novel linear polyester salts find utility as absorbable matrix materials for depot drug dosage forms.