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:
Aug. 10, 1999
Filed:
Jul. 15, 1997
Applicant:
Inventor:
Ulrich Berens, Cambridge, GB;
Assignee:
Chirotech Technology Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
556 14 ; 556 20 ; 556136 ; 568 12 ;
Abstract
The subject invention relates to phosphine ligands that are useful for asymmetric reactions, especially as chiral ligands for catalytic asymmetric hydrogenation.