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:
Oct. 13, 1987
Filed:
Jul. 08, 1985
Applicant:
Inventors:
Elena S Percec, Pepper Pike, OH (US);
George S Li, Macedonia, OH (US);
Assignee:
The Standard Oil Company, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; B01D / ;
U.S. Cl.
CPC ...
55 16 ; 55 68 ; 55158 ; 525462 ; 525467 ; 525534 ; 525537 ; 525933 ; 528212 ;
Abstract
A process for the modification of alkyl halogenated polyarylenes with a derivative compound comprising the steps of forming a mixture of the derivative compound with a phase transfer catalyst, wherein the derivative compound has the formula
Percec, Elena. (1987). Process for the modification of aromatic polymers via phase transfer (U.S. Patent No. 4699634). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4699634
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile