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. 04, 2020
Filed:
Feb. 01, 2018
Applicant:
Exxonmobil Research and Engineering Company, Annandale, NJ (US);
Inventors:
Changyub Paek, Bridgewater, NJ (US);
Michael P. Lanci, Flemington, NJ (US);
Randall D. Partridge, Califon, NJ (US);
Allen W. Burton, Stewartsville, NJ (US);
Carla S. Pereira, Bridgewater, NJ (US);
Benjamin A. McCool, Annandale, NJ (US);
Assignee:
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/74 (2006.01); C07C 15/14 (2006.01); C07C 7/13 (2006.01); B01J 20/28 (2006.01); B01J 20/18 (2006.01); B01D 15/08 (2006.01); C07C 2/66 (2006.01); C07C 5/10 (2006.01); C07C 5/27 (2006.01); C07C 5/367 (2006.01);
U.S. Cl.
CPC ...
C07C 2/74 (2013.01); B01D 15/08 (2013.01); B01J 20/186 (2013.01); B01J 20/28007 (2013.01); C07C 2/66 (2013.01); C07C 5/10 (2013.01); C07C 5/2732 (2013.01); C07C 5/367 (2013.01); C07C 7/13 (2013.01); C07C 15/14 (2013.01);
Abstract
In a process for separating one or more 3,3'-, 3,4′- and 4,4′-dimethyl biphenyl isomers, a feed comprising the isomers is contacted with a zeolite adsorbent which contains one or more metal cations in the +1 or +2 oxidation states. Separation processes for each of the 3,3′-, 3,4′- and 4,4′-dimethyl biphenyl isomers is provided.