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:
Dec. 13, 2016
Filed:
Jun. 12, 2015
Applicant:
Verdezyne, Inc., Carlsbad, CA (US);
Inventors:
Jose Laplaza, Fallbrook, CA (US);
William Andrew Evanko, Golden, CO (US);
Jason H. Radany, Murrieta, CA (US);
Assignee:
Verdezyne, Inc., Carlsbad, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/43 (2006.01); C07C 55/02 (2006.01); C07C 55/20 (2006.01); C07C 51/42 (2006.01); C07C 51/47 (2006.01);
U.S. Cl.
CPC ...
C07C 51/43 (2013.01); C07C 51/42 (2013.01); C07C 51/47 (2013.01); C07C 55/02 (2013.01); C07C 55/20 (2013.01);
Abstract
A process for purifying a polycarboxylic acid from a mixture is provided. Optionally, the mixture is an aqueous solution and optionally the process comprises an acidification step and/or the use of one or more organic solvents. Also provided in part are compositions of polycarboxylic acids.