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:
Mar. 20, 2018
Filed:
Mar. 27, 2015
Applicant:
Godavari Blorefineries Limited, Mumbai, IN;
Inventors:
Assignee:
Godavari Biorefineries Limited, Mumbai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03D 1/008 (2006.01); C07C 41/42 (2006.01); C07C 41/06 (2006.01);
U.S. Cl.
CPC ...
B03D 1/008 (2013.01); C07C 41/06 (2013.01); C07C 41/42 (2013.01); B03D 2201/04 (2013.01);
Abstract
The present invention discloses a process for preparing high flash point frothing agent by treating an aldehyde with an alcohol in the presence of an acid catalyst at elevated temperature and further adding a carbonate salt to obtain the frothing agent and polymer.