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. 09, 1982
Filed:
Aug. 19, 1981
Applicant:
Inventors:
Tayseer S Nimry, Wheaton, IL (US);
Ellis K Fields, River Forest, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528353 ; 528125 ; 528128 ; 528188 ; 528189 ; 528206 ; 528208 ; 528220 ; 528229 ; 528352 ; 549232 ; 549234 ; 549237 ;
Abstract
Novel polyimides and molding compositions are prepared from novel tricyclo[4.2.1.0.sup.2,5 ] nonane-3,4 dimethyl-3,4,7,8-tetracarboxylic acid dianhydride. The dianhydride is useful for the manufacture of polyimides which are useful as engineering plastics.
Nimry, Tayseer. (1982). Novel nonaromatic dianhydride and polyimides from tricyclo (U.S. Patent No. 4358582). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4358582
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile