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. 05, 1987
Filed:
Mar. 01, 1985
Applicant:
Inventors:
Victor Mark, Evansville, IN (US);
Charles V Hedges, Mt. Vernon, IN (US);
Assignee:
General Electric Company, Mt. Vernon, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568640 ; 568722 ; 568723 ; 568726 ; 568641 ;
Abstract
Novel heat resistant polycarbonates are provided which are the polymerized reaction products of:
Mark, Victor. (1987). Polycarbonates exhibiting improved heat resistance (U.S. Patent No. 4663434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4663434
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile