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:
Jun. 11, 2013
Filed:
Apr. 16, 2009
Applicants:
Jaidev Rajnikant Shroff, Mumbai, IN;
Vikram Rajnikant Shroff, Mumbai, IN;
Birja Shanker, Mumbai, IN;
Inventors:
Jaidev Rajnikant Shroff, Mumbai, IN;
Vikram Rajnikant Shroff, Mumbai, IN;
Birja Shanker, Mumbai, IN;
Assignee:
United Phosphorus Limited, Maharashtra, IN;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/70 (2006.01); C07C 233/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the asymmetric hydrogenation of imines with hydrogen under elevated pressure in the presence of a catalyst system. In particular the present invention relates to the use of the said catalytic system for the enantioselective hydrogenation of prochiral ketimines to asymmetric amines leading to the formation of herbicides.