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:
Feb. 17, 2015
Filed:
May. 16, 2012
Applicants:
Mohan Keraba Dongare, Pune, IN;
Shubhangi Bhalchandra Umbarker, Pune, IN;
Samadhan Tanaji Lomate, Pune, IN;
Inventors:
Mohan Keraba Dongare, Pune, IN;
Shubhangi Bhalchandra Umbarker, Pune, IN;
Samadhan Tanaji Lomate, Pune, IN;
Assignee:
Council of Scientific & Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07B 35/00 (2006.01); C07C 51/377 (2006.01);
U.S. Cl.
CPC ...
C07C 51/377 (2013.01);
Abstract
Disclosed herein is an improved process for the catalytic dehydration of lactic acid to acrylic acid. More particularly, the present invention discloses catalytic dehydration of lactic acid to acrylic acid with high selectivity and yield for acrylic acid using calcium phosphate (CP) catalyst with varying Ca/P ratio optionally modified with 5 wt % sodium.