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:
Nov. 27, 2012
Filed:
Mar. 17, 2008
Applicants:
Markus Christian Biel, Mannheim, DE;
Roland Kessinger, Weinheim, DE;
Jens Sommer, Unna, DE;
Janet Bluemel, College Station, TX (US);
Inventors:
Markus Christian Biel, Mannheim, DE;
Roland Kessinger, Weinheim, DE;
Jens Sommer, Unna, DE;
Janet Bluemel, College Station, TX (US);
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a complex catalyst system and a base whose conjugate acid has a pKa in dimethyl sulfoxide (25° C., 1 bar) of at least 6.