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. 16, 2021
Filed:
Jun. 19, 2019
Applicant:
Kaneka Corporation, Osaka, JP;
Inventors:
Assignee:
KANEKA CORPORATION, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 37/74 (2006.01); B01D 3/14 (2006.01); B01D 15/36 (2006.01); B01J 41/12 (2017.01); C07C 37/56 (2006.01); C07H 1/06 (2006.01); C07D 249/08 (2006.01); C07C 69/12 (2006.01); C07C 33/22 (2006.01); C07C 67/03 (2006.01); C07B 61/00 (2006.01);
U.S. Cl.
CPC ...
C07C 37/74 (2013.01); B01D 3/143 (2013.01); B01D 15/363 (2013.01); B01J 41/12 (2013.01); C07C 33/22 (2013.01); C07C 37/56 (2013.01); C07C 67/03 (2013.01); C07C 69/12 (2013.01); C07D 249/08 (2013.01); C07H 1/06 (2013.01); C07B 61/00 (2013.01);
Abstract
A high-purity alcohol compound can be obtained by a method comprising passing a solution containing an ester compound and methanol and/or ethanol through a column packed with an anion exchange resin having methoxide and/or ethoxide as a counter anion to generate a methyl ester and/or ethyl ester, and distilling off the methyl ester and/or ethyl ester together with the methanol and/or ethanol.