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:
Oct. 03, 2017
Filed:
Feb. 19, 2015
Applicant:
Reliance Industries Limited, Mumbai, IN;
Inventors:
Suresh Shantilal Jain, Thane, IN;
Pavankumar Aduri, Thane, IN;
Vivek Shankaranarayanan, Hyderabad, IN;
Parasuveera Uppara, Navi Mumbai, IN;
Assignee:
Reliance Industries Limited, Mumbai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/48 (2006.01); C07C 51/265 (2006.01); B01J 23/889 (2006.01); B01D 17/02 (2006.01);
U.S. Cl.
CPC ...
C07C 51/265 (2013.01); B01D 17/0208 (2013.01); B01J 23/8892 (2013.01); C07C 51/48 (2013.01);
Abstract
The present disclosure provides a process for recovering and recycling a catalyst from the mother liquor generated during the production of aromatic carboxylic acids. The process comprises treating the mother liquor with an alkyl aromatic compound and further treating the first aqueous layer obtained with an ionic liquid to obtain a catalyst rich aqueous mixture. The catalyst rich aqueous mixture is recycled to the oxidation reactor.