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:
May. 15, 1984
Filed:
Aug. 06, 1982
Applicant:
Inventor:
Robert B Hanson, Oswego, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
524600 ; 524606 ; 524726 ; 528188 ; 528189 ;
Abstract
Novel copolymers and molding compositions are prepared from acyl halide derivatives of dicarboxylic acids, acyl halide derivatives of tricarboxylic aromatic anhydrides and aromatic diamines and about 1 to about 10 percent by weight of phthalic anhydride moieties. Also, glass filled copolymers are prepared. The copolymers are useful as engineering plastics.