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. 23, 2003
Filed:
Jan. 24, 2001
Applicant:
Inventors:
Olaf Burkhardt, Kalmthout, BE;
Jens Woltinger, Hanau, DE;
Andreas Bommarius, Atlanta, GA (US);
Juan Jose Almena Perea, Hanau, DE;
Hans Henniges, Bonn, DE;
Karlheinz Drauz, Freigericht, DE;
Andreas Karau, Neustadt, DE;
Jean-Louis Philippe, Dreieich, DE;
Hans-Peter Krimmer, Dietzenbach, DE;
Gunther Oehme, Rostock, DE;
Assignee:
Degussa AG, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08L 8/502 ;
U.S. Cl.
CPC ...
C08L 8/502 ;
Abstract
Molecular weight-enlarged, homogeneously soluble ligands are provided that are especially useful for hydrogenation catalysts, wherein the ligands contain homochiral active centers of bis(3,4-diarylphosphinyl)pyrrolidines, and their use in producing cataylsts for enantioselective reactions, as well as the catalysts thus produced.