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:
Feb. 05, 1991
Filed:
May. 19, 1989
Applicant:
Inventors:
Norbert Bluthe, Villeurbanne, FR;
Robert Perron, Charly, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562406 ; 549436 ; 558353 ; 560 97 ;
Abstract
A process for the preparation of an aromatic acid comprising the step of combining an aromatic halide having at least one iodine or bromine substituent with:
Bluthe, Norbert. (1991). Process for the preparation of aromatic acid (U.S. Patent No. 4990657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4990657
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile