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:
Jul. 14, 2009
Filed:
Dec. 10, 2004
Vaddu Venkata Narayana Reddy, Hyderabad, IN;
Khwaja Ishratullah, Hyderabad, IN;
Penumatcha Venkata Krishnam Raju, Hyderabad, IN;
Tella Ramesh Babu, Hyderabad, IN;
Masna Mahesh, Hyderabad, IN;
Chappeta Venkateswara Reddy, Hyderabad, IN;
Vaddu Venkata Narayana Reddy, Hyderabad, IN;
Khwaja Ishratullah, Hyderabad, IN;
Penumatcha Venkata Krishnam Raju, Hyderabad, IN;
Tella Ramesh Babu, Hyderabad, IN;
Masna Mahesh, Hyderabad, IN;
Chappeta Venkateswara Reddy, Hyderabad, IN;
Council of Scientific & Industrial Research, New Delhi, IN;
Abstract
The present invention relates to an environmentally benign process for the preparation of (S)-α-cyano-3-phenoxybenzyl-(S)-2-(4-chlorophenyl)isovalerate from its diastereomeric mixture (RS)-α-cyano-3-phenoxybenzyl-(S)-2-(4-chlorophenyl) isovalerate.