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. 11, 2007
Filed:
Feb. 19, 2004
Applicants:
Ulrich Kampfen, Brig, CH;
Dario Veghini, Brig-Glis, CH;
Dominique Roberge, Sierre, CH;
Jared Randall, Smyma, NY (US);
Inventors:
Ulrich Kampfen, Brig, CH;
Dario Veghini, Brig-Glis, CH;
Dominique Roberge, Sierre, CH;
Jared Randall, Smyma, NY (US);
Assignee:
Lonza AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/03 (2006.01); C07C 231/02 (2006.01); C07D 235/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
N-Aryl or N-heteroarylformamides are prepared by hydrogenating a corresponding nitroarene or nitroheteroarene with formic acid and/or ammonium formate as hydrogen donor and formylating agent in the presence of at least one noble metal-based hydrogenation catalyst and a vanadium or molybdenum compound as co-catalyst.