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:
Jun. 13, 2006
Filed:
Nov. 02, 2001
Matthias Dernbach, Dossenheim, DE;
Michael Koch, Speyer, DE;
Gerhard Schulz, Bad Düekheim, DE;
Hagen Weigl, Ladenburg, DE;
Steffen Maas, Bubenheim, DE;
Matthias Dernbach, Dossenheim, DE;
Michael Koch, Speyer, DE;
Gerhard Schulz, Bad Düekheim, DE;
Hagen Weigl, Ladenburg, DE;
Steffen Maas, Bubenheim, DE;
BASF Aktiengesellschaft, Ludwigschafen, DE;
Abstract
In a process for the catalytic hydrogenation of a polymethylolalkanal or a monomethylolalkanal of the formula (I) where R may be identical or different and are each a substituted or unsubstituted aliphatic hydrocarbon having from 1 to 22 carbon atoms, an aryl or arylalkyl group having from 6 to 22 carbon atoms or a methylol group, in the presence of a copper-containing catalyst, the hydrogenation feed comprising the polymethylolalkanal or monomethylolalkanal has a total content of metal ions of groups 3 to 14 of the Periodic Table of the Element of up to 5 ppm.