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.:

US 6683208 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 27, 2004

Filed:

Feb. 19, 2002
Applicant:
Inventors:

Francois Mathey, Paris, FR;

Frédéric Robin, Montrouge, FR;

Francois Mercier, Versailles, FR;

Michel Spagnol, Lyons, FR;

Assignee:

Rhone-Poulenc Chimie, Courbevoie Cedex, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/300 ;
U.S. Cl.
CPC ...
C07C 5/300 ;
Abstract

New optically active bis[1-phospha-2,3-diphenyl-4,5-dimethylnorbornadiene] diphosphines and new optically active transition metal complexes with said phosphines are described. The complexes are useful as catalysts to promote hydrogenation of substrates.


Find Patent Forward Citations

Mathey, Francois. (2004). Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof (U.S. Patent No. 6683208). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6683208

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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