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. 07, 1993
Filed:
Dec. 20, 1991
Applicant:
Inventors:
Philippe Delis, Saint-Didier-Au Mont-D'or, FR;
Philippe Denis, Decines, FR;
Jean-Michel Grosselin, Francheville, FR;
Francois Metz, Lyons, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
562517 ;
Abstract
Adipic acid is prepared by hydrocarboxylating at least one pentenic acid in the presence of a catalytically effective amount of rhodium values, whether metallic rhodium or a compound thereof, and an iodine-containing promoter therefor, as well as in the presence of a cocatalytically effective amount of at least one of iridium, ruthenium, osmium or compound thereof.
Delis, Philippe. (1993). Preparation of adipic acid by hydrocarboxylation of pentenic acids (U.S. Patent No. 5268505). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5268505
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile