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. 15, 1992
Filed:
Jan. 19, 1990
Applicant:
Inventor:
Abraham J Domb, Baltimore, MD (US);
Assignee:
Nova Pharmaceutical Corporation, Baltimore, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263182 ; 528206 ; 528271 ;
Abstract
A polyanhydride suitable for use as a matrix material in controlled delivery devices polymerized from monomers of the general formula: ##STR1## wherein R, R', and R' are the same or a different aliphatic chain of C.sub.1 to C.sub.20 or hydrogen; m, n, and p are integers from 0 and 20; y is 0 or 1; and, if y is 0, one of R or R' is not H.