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:
Jan. 20, 1976
Filed:
Mar. 06, 1975
Applicant:
Inventors:
Edward F Dougherty, Corpus Christi, TX (US);
Charles C Hobbs, Jr, Corpus Christi, TX (US);
Assignee:
Celanese Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 23289 ; 2606 / ; 2606 / ; 2606 / ; 2606 / ;
Abstract
In the production of 1,6-hexanediol by oxidation of cyclohexane to produce an acidic oxidation product comprising adipic acid, followed by esterification of the acidic oxidation product and a subsequent hydrogenolysis of the ester, the improvement which comprises a prehydrogenation of the acidic oxidation product prior to esterification thereof.