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:
May. 26, 1998
Filed:
Feb. 24, 1997
Applicant:
Inventors:
Albert Sun-Chi Chan, Kowloon, HK;
Yao-Zhong Jiang, Chengdu, CN;
Ai-Qiao Mi, Chengdu, CN;
Ming Yan, Chengdu, CN;
Wen-Hao Hu, Chengdu, CN;
Assignee:
The Hong Kong Polytechnic University, Kowloon, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558156 ; 556136 ;
Abstract
New optically active phosphinite compounds which are useful in asymmetric catalysis have been synthesized and have been used in the preparation of rhodium catalysts. Such catalysts are particularly useful in enantioselective catalytic hydrogenation reactions.