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. 13, 2010
Filed:
Mar. 30, 2006
Applicants:
Darbha Srinivas, Pune, IN;
Rajendra Srivastava, Pune, IN;
Paul Ratnasamy, Pune, IN;
Inventors:
Assignee:
Council of Scientific & Industrial Research, New Delhi, IN;
Primary Examiner:
Int. Cl.
CPC ...
B01J 27/26 (2006.01); B01J 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a novel transesterification catalyst having the general formula:ZnM(CN)(ROH).xZnCl.yHOwherein R is tertiary-butyl and M is a transition metal ion selected from Fe, Co and Cr, x varies from 0 to 0.5, y varies from 3-5 and n is 10 or 12. The above said catalyst is useful for an efficient transesterification of glycerides, fatty acid esters and cyclic carbonates on reactions with alcohols.