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. 30, 1993
Filed:
Feb. 04, 1991
Applicant:
Inventors:
Dwain M White, Schenectady, NY (US);
Laura A Socha, Troy, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 86 ; 560190 ; 560198 ;
Abstract
A composition and method of making copolymers of salicylic acid and dicarboxylic acid by reacting at least one salicylic acid with at least one dicarboxylic acid and at least one acetic anhydride for every salicylic and dicarboxylic acid present. The composition is useful for functionalizing polyphenylene ethers that are capable of forming copolymers useful for compatibilizing blends of polyphenylene ethers and polyamides.