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:
Feb. 07, 2012
Filed:
May. 15, 2008
Applicants:
Wolfgang Staffel, Waldsse, DE;
Roderich Roettger, Mannheim, DE;
Markus Christian Biel, Mannheim, DE;
Reinhard Kaczmarek, Hassloch, DE;
Inventors:
Wolfgang Staffel, Waldsse, DE;
Roderich Roettger, Mannheim, DE;
Markus Christian Biel, Mannheim, DE;
Reinhard Kaczmarek, Hassloch, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/76 (2006.01); C07C 69/34 (2006.01); C07C 69/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing vinyl carboxylates, wherein a carboxylic acid is reacted with an alkyne compound in the presence of a catalyst which is selected from salts of perrhenic acid at a temperature of =250° C. The process gives rise to the desired vinyl esters with a high yield.