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:
Oct. 28, 2008
Filed:
Dec. 04, 2004
Markus Roesch, Dienheim, DE;
Rolf Pinkos, Bad Duerkheim, DE;
Michael Hesse, Worms, DE;
Stephan Schlitter, Limburgerhof, DE;
Henrik Junicke, Mannheim, DE;
Olga Schubert, Ludwigshafen, DE;
Alexander Weck, Freinsheim, DE;
Gunther Windecker, Ludwigshafen, DE;
Markus Roesch, Dienheim, DE;
Rolf Pinkos, Bad Duerkheim, DE;
Michael Hesse, Worms, DE;
Stephan Schlitter, Limburgerhof, DE;
Henrik Junicke, Mannheim, DE;
Olga Schubert, Ludwigshafen, DE;
Alexander Weck, Freinsheim, DE;
Gunther Windecker, Ludwigshafen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for variably preparing mixtures of optionally alkyl-substituted BDO, GBL and THF by two-stage hydrogenation in the gas phase of Cdicarboxylic acids and/or derivatives thereof, which comprises