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. 11, 2008
Filed:
Jul. 07, 2005
Applicants:
Andrea Haunert, Mannheim, DE;
Rolf Pinkos, Bad Dürkheim, DE;
Thomas Krug, Worms, DE;
Tilman Sirch, Schifferstadt, DE;
Michael Koch, Mannheim, DE;
Gerd-dieter Tebben, Göttingen, DE;
Inventors:
Andrea Haunert, Mannheim, DE;
Rolf Pinkos, Bad Dürkheim, DE;
Thomas Krug, Worms, DE;
Tilman Sirch, Schifferstadt, DE;
Michael Koch, Mannheim, DE;
Gerd-Dieter Tebben, Göttingen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/149 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for preparing 1,6-hexanediol by hydrogenating dialkyl adipates, alkyl 6-hydroxycaproates, 1,4-cyclohexanedione and 4-hydroxycyclohexan-1-one as ester mixtures comprising impurities, by