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:
May. 12, 2020
Filed:
Oct. 28, 2016
Applicant:
Organo Corporation, Tokyo, JP;
Inventors:
Hitoshi Takada, Kanagawa, JP;
Akira Nakamura, Tokyo, JP;
Masami Imamura, Hyogo, JP;
Koji Yamanaka, Shizuoka, JP;
Assignee:
ORGANO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/76 (2006.01); B01J 39/18 (2017.01); B01J 39/04 (2017.01); B01J 39/20 (2006.01); C07C 31/10 (2006.01); B01J 20/28 (2006.01); B01J 47/00 (2017.01);
U.S. Cl.
CPC ...
C07C 29/76 (2013.01); B01J 39/04 (2013.01); B01J 39/20 (2013.01); C07C 31/10 (2013.01); B01J 20/28042 (2013.01); B01J 20/28085 (2013.01); B01J 39/18 (2013.01); B01J 47/00 (2013.01);
Abstract
A method for purifying an organic solvent, comprising contacting an organic solvent containing polyvalent metal ions with a monolithic organic porous ion exchanger. According to the present invention, a method for purifying an organic solvent can be provided, wherein a high rate of removing polyvalent metal ions in an organic solvent is achieved.