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:
Sep. 06, 2016
Filed:
May. 14, 2014
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Philipp Gruene, Mannheim, DE;
Cornelia Katharina Dobner, Ludwigshafen, DE;
Marco Hartmann, Woerth, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01J 27/198 (2006.01); C07C 51/347 (2006.01); C07C 67/347 (2006.01); C07C 51/353 (2006.01);
U.S. Cl.
CPC ...
C07C 51/347 (2013.01); C07C 51/353 (2013.01);
Abstract
Process for preparing a vinylidenecarboxylic acid or ester thereof, wherein a reaction gas comprising gaseous formaldehyde, molecular oxygen and an alkycarboxylic acid or ester thereof is brought into contact with a solid catalyst whose active composition comprises a vanadium-phosphorus oxide having an average oxidation state of vanadium of from +4.40 to +5.0 to give a product gas comprising the vinylidenecarboxylic acid or ester thereof.