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:
Apr. 02, 2013
Filed:
Apr. 04, 2007
Applicants:
Christophe Bauduin, Mannheim, DE;
Wolfgang Fischer, Lingenfeld, DE;
Rolf Pinkos, Bad Dürkheim, DE;
Edzard Scholten, Mannheim, DE;
Inventors:
Christophe Bauduin, Mannheim, DE;
Wolfgang Fischer, Lingenfeld, DE;
Rolf Pinkos, Bad Dürkheim, DE;
Edzard Scholten, Mannheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/40 (2006.01); C07C 69/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a novel process for preparing alkyl polycarboxylates from an aqueous solution of an ammonium salt of the polycarboxylic acid by reactive distillation, and to a process for hydrogenating the alkyl carboxylates prepared in this way.