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. 28, 1978
Filed:
Oct. 10, 1968
Applicant:
Inventor:
Samuel S Mims, Odessa, TX (US);
Assignee:
El Paso Products Company, Odessa, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560191 ; 560204 ; 2605 / ; 2605 / ; 2605 / ;
Abstract
Treatment of aqueous nitric acid solutions resulting from the nitric acid oxidation of cyclohexanol and/or cyclohexanone in the presence of metal compound oxidation catalysts for recovery of the valuable components contained therein, which comprises adding an alcohol to the aqueous nitric acid solution to esterify the acids present, contacting the resultant alcoholic mixture with a water-immiscible solvent, separating layers into an aqueous phase and an organic phase, treating the aqueous phase to recover the nitric acid and catalyst components and treating the organic phase to recover the acid derivatives.