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:
Sep. 05, 1989
Filed:
May. 02, 1988
Applicant:
Inventors:
Herbert Mueller, Frankenthal, DE;
Herbert Toussaint, Frankenthal, DE;
Juergen Schossig, Fussgoenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568861 ;
Abstract
A process for the preparation of alkanediols by hydrogenation of alkynediols of from 3 to 8 carbon atoms in which a solution of the alkynediol in an alcohol of from 1 to 8 carbon atoms, the mass fraction of alkynediol being more than 5%, of water at most 10%, and of alkanediol from 20% to 85%, is hydrogenated at temperatures of 110.degree. C. to 240.degree. C. and pressures greater than 10 bar, the pH being greater than 6.