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:
Dec. 26, 1978
Filed:
Jun. 29, 1977
Applicant:
Inventors:
Fred E Arnold, Centerville, OH (US);
James F Wolfe, Menlo Park, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C08F / ;
U.S. Cl.
CPC ...
562488 ; 2603 / ; 2603473 ; 528183 ; 562427 ; 562466 ; 544353 ; 546264 ; 546267 ; 546283 ; 546284 ; 546330 ; 546342 ;
Abstract
p-Terphenylene-dicarboxylic acids in which aromatic groups are attached to the middle phenyl group of the terphenylene moiety. The compounds are useful as monomers in the preparation of rod-like, para-ordered aromatic heterocyclic polymers.
Arnold, Fred. (1978). P-terphenylene-dicarboxylic acids and their synthesis (U.S. Patent No. 4131748). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4131748
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile