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. 05, 2002
Filed:
Oct. 24, 2001
Applicant:
Inventors:
Axel Monsees, Frankfurt, DE;
Uwe Dingerdissen, Seeheim-Jugenheim, DE;
Sabine Laschat, Braunschweig, DE;
Thorsten Sell, Ruhr, DE;
Assignee:
Degussa AG, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/00 ;
U.S. Cl.
CPC ...
C07F 9/00 ;
Abstract
Chiral, unsymmetrical bidentate organophosphorus ligands of the formula (I) are reacted with transition metal centers to form complexes with catalytic activity. The compounds contain chiral bicycloaliphatic skeletons. Synthesis of the bidentate ligands proceeds from norbornyl derivatives.