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:
Jan. 24, 2017
Filed:
May. 09, 2014
Applicant:
Council of Scientific and Industrial Research, New Delhi, IN;
Inventors:
Paresh Laxmikant Dhepe, Pune, IN;
Ashutosh Anant Kelkar, Pune, IN;
Babasaheb Mansub Matsagar, Pune, IN;
Sandip Kumar Singh, Pune, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 69/00 (2006.01); C07C 37/00 (2006.01); C07G 1/00 (2011.01); C08J 11/26 (2006.01); B01J 31/02 (2006.01); C07C 1/20 (2006.01); C07C 29/00 (2006.01); C07C 29/86 (2006.01); C07C 29/94 (2006.01); C07C 37/72 (2006.01); C07C 37/88 (2006.01); C07C 41/01 (2006.01); C07C 41/38 (2006.01); C07C 41/46 (2006.01); C07C 45/00 (2006.01); C07C 45/80 (2006.01); C07C 45/86 (2006.01); C07C 51/00 (2006.01); C07C 51/48 (2006.01); C07C 51/50 (2006.01); C07C 67/00 (2006.01); C07C 67/58 (2006.01); C07C 67/62 (2006.01); C07C 27/00 (2006.01);
U.S. Cl.
CPC ...
C07C 37/004 (2013.01); B01J 31/0217 (2013.01); B01J 31/0282 (2013.01); B01J 31/0285 (2013.01); C07C 1/20 (2013.01); C07C 27/00 (2013.01); C07C 29/00 (2013.01); C07C 29/86 (2013.01); C07C 29/94 (2013.01); C07C 37/72 (2013.01); C07C 37/88 (2013.01); C07C 41/01 (2013.01); C07C 41/38 (2013.01); C07C 41/46 (2013.01); C07C 45/00 (2013.01); C07C 45/80 (2013.01); C07C 45/86 (2013.01); C07C 51/00 (2013.01); C07C 51/48 (2013.01); C07C 51/50 (2013.01); C07C 67/00 (2013.01); C07C 67/58 (2013.01); C07C 67/62 (2013.01); C07G 1/00 (2013.01); C08J 11/26 (2013.01); C07C 2531/02 (2013.01); C08J 2397/00 (2013.01); Y02W 30/706 (2015.05);
Abstract
The present invention discloses a process for depolymerization of lignin to yield substituted phenolic monomers using Brönsted ionic liquid as catalyst under mild reaction conditions to obtain an overall yield of monomers up to 97%.