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:
Aug. 07, 2007
Filed:
Oct. 08, 2003
Applicants:
Didier Bonnet, Lyons, FR;
Tania Ireland, Lyons, FR;
Jean-pierre Simonato, Sassenage, FR;
Inventors:
Assignee:
Rhodia Polyamides Intermediates, Saint—Fons, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 55/00 (2006.01); C07C 51/31 (2006.01); C07C 51/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for producing carboxylic acids. It relates more particularly to a process for producing carboxylic acids by oxidation of a hydrocarbon with oxygen or a gas containing oxygen, and even more particularly to the oxidation of cyclohexane to adipic acid. It relates to a process comprising a step consisting of hydrolysis of the esters formed during the oxidation step.