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:
Nov. 13, 1984
Filed:
Nov. 03, 1980
Applicant:
Inventors:
Guenter Herrmann, Neustadt, DE;
Elmar Frommer, Ludwigshafen, DE;
Juergen Paetsch, Wachenheim, DE;
Wolfgang Reiss, Ludwigshafen, DE;
Siegfried Winderl, Heidelberg-Wieblingen, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568864 ; 568885 ;
Abstract
The hydrogenation of carboxylic acids having 6 or less C atoms, as obtained as by-products of cyclohexane oxidation, to give corresponding diols is improved by the addition of a small amount of phosphoric acid or a phosphoric ester before hydrogenation.