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. 26, 2013
Filed:
Nov. 23, 2010
Applicants:
Rolf Pinkos, Bad Duerkheim, DE;
Axel Paul, Lampertheim, DE;
Rolf-hartmuth Fischer, Heidelberg, DE;
Roman Dostalek, Neuleiningen, DE;
Inventors:
Rolf Pinkos, Bad Duerkheim, DE;
Axel Paul, Lampertheim, DE;
Rolf-Hartmuth Fischer, Heidelberg, DE;
Roman Dostalek, Neuleiningen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/156 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing diols by hydrogenating a mixture comprising carboxylic acid, carboxylic anhydrides and/or carboxylic esters/lactones by means of a cobalt-comprising catalyst, wherein alkali metal and/or alkaline earth metal ions are added to the hydrogenation feed, excluding alkali metal and/or alkaline earth metal ions of mineral acids.