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:
Mar. 25, 2014
Filed:
Dec. 01, 2010
Applicants:
Axel Franzke, Mannheim, DE;
Torsten Mattke, Freinsheim, DE;
Julia Leschinski, Mannheim, DE;
Radwan Abdallah, Ludwigshafen, DE;
Michael Bock, Ruppertsberg, DE;
Robert Baumann, Mannheim, DE;
Eckhard Stroefer, Mannheim, DE;
Inventors:
Axel Franzke, Mannheim, DE;
Torsten Mattke, Freinsheim, DE;
Julia Leschinski, Mannheim, DE;
Radwan Abdallah, Ludwigshafen, DE;
Michael Bock, Ruppertsberg, DE;
Robert Baumann, Mannheim, DE;
Eckhard Stroefer, Mannheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 231/02 (2006.01); C07C 233/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of formamides by reacting aromatic amines with a formic acid ester in the presence of a catalyst, wherein the catalyst is a phosphorus-containing acid or a Lewis-acidic metal salt.