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:
Aug. 01, 2000
Filed:
Dec. 03, 1998
Applicant:
Inventors:
Carl Dieter Frohning, Wesel, DE;
Wolfgang Zgorzelski, Oberhausen, DE;
Hans Liebern, Mulheim an der Ruhr, DE;
Assignee:
Celanese GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568881 ; 568880 ; 568862 ;
Abstract
In a process for preparing alcohols comprising the hydrogenation of aldehydes in the presence of a hydrogenation catalyst in the gas phase, the improvement comprising adding nitrogen-containing bases to the aldehyde to be hydrogenated, whereby the formation of by-products is largely suppressed and isolation of the desired alcohols in high selectivity and correspondingly high yield is made possible.