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:
Apr. 20, 1993
Filed:
Jun. 21, 1991
Applicant:
Inventors:
Claude Franquinet, Brussels, BE;
Etienne Hannecart, Tervuren, BE;
Elise Destryker, Sint-Pieters-Leeuw, BE;
Assignee:
Solvay & Cie, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526256 ; 252500 ; 528403 ;
Abstract
A process for the preparation of a polymer which is electrically conductive and which is based on polythiophene, the process including polymerizing thiophene in a reaction medium including thiophene, from 2.5 to 20 moles of an anhydrous ferric salt per mole of thiophene, from 0.04 to 1 liter of an alkyl halide per gram of thiophene, and from 0.1 to 5% by weight of water introduced into the reaction medium based on the amount of alkyl halide.
Franquinet, Claude. (1993). Process for the preparation of polythiophenes by use of ferric salts and (U.S. Patent No. 5204423). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5204423
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile