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:
Dec. 31, 2013
Filed:
Apr. 02, 2012
Applicants:
Herbert Plenio, Bensheim, DE;
Christoph Fleckenstein, Freigericht-Somborn, DE;
Renat Kadyrov, Frankfurt, DE;
Juan Almena, Hanau, DE;
Axel Monsees, Frankfurt, DE;
Thomas Riermeier, Ober-Ramstadt, DE;
Inventors:
Herbert Plenio, Bensheim, DE;
Christoph Fleckenstein, Freigericht-Somborn, DE;
Renat Kadyrov, Frankfurt, DE;
Juan Almena, Hanau, DE;
Axel Monsees, Frankfurt, DE;
Thomas Riermeier, Ober-Ramstadt, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are phosphine compounds represented by the general formula (4): and corresponding phosphonium salts represented by the general formula (4a): Also disclosed are processes for the preparation of these phosphines and phosphonium salts as well as their use as ligands in catalytic reactions.