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:
Nov. 19, 1985
Filed:
Jun. 14, 1984
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:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
524611 ; 524157 ; 525439 ; 525444 ; 525463 ; 528176 ; 528193 ; 528194 ; 528196 ; 528204 ; 568716 ;
Abstract
Thermoplastic polymer exhibiting improved heat resistance comprised of the polymerized reaction products of (i) a carbonate precursor, and (ii) at least one dihydric phenol represented by the general formula ##STR1## wherein: R is independently selected from alkyl radicals;
Mark, Victor. (1985). Polycarbonate from cycloalkylidene tetra alkyl substituted diphenol (U.S. Patent No. 4554309). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4554309
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile