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. 28, 2025
Filed:
Jul. 22, 2020
Applicant:
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Inventors:
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/48 (2006.01); B01J 23/75 (2006.01); B01J 23/755 (2006.01);
U.S. Cl.
CPC ...
C07C 209/48 (2013.01); B01J 23/75 (2013.01); B01J 23/755 (2013.01);
Abstract
A method for producing an aromatic aminomethyl, comprising hydrogenating an aromatic nitrile in a mixed solvent comprising a hydrocarbon solvent and a polar organic solvent having a solubility parameter (SP value) of 10 or more in the presence of a quaternary ammonium compound and a hydrogenation catalyst.