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.

Date of Patent:
Sep. 07, 2004

Filed:

Nov. 08, 2000
Applicant:
Inventors:

Michel Costantini, Lyons, FR;

Eric Fache, Caluire et Cutre, FR;

Philippe Leconte, Meyzieu, FR;

Assignee:

Rhodia Fiber & Resin Intermediates, Courbevoie Cedex, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/131 ;
U.S. Cl.
CPC ...
C07C 5/131 ;
Abstract

The present invention relates to the treatment of the reaction mixtures resulting from an oxidation reaction of cyclohexane to adipic acid and more particlarly to the separation of the various constituents of the said mixtures and to the purification of the adipic acid.


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