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. 14, 2019
Filed:
Feb. 25, 2016
Applicant:
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Inventors:
Yuko Shimizu, Chiyoda-ku, JP;
Yoshiaki Yamamoto, Katsushika-ku, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B 61/00 (2006.01); C07C 209/68 (2006.01); C07C 211/36 (2006.01);
U.S. Cl.
CPC ...
C07C 209/68 (2013.01); C07C 211/36 (2013.01); C07B 61/00 (2013.01); C07C 2601/14 (2017.05);
Abstract
An isomerization reaction of a predetermined compound, without passing through a high pressure reaction and a complicated multi-stage process. The isomerization method includes isomerizing, 1,3,3-trimethyl-1-(aminomethyl)aminocyclohexane in the presence of a compound represented by formula (1) and at least one compound selected from no alkali metal, an alkali metal-containing compound, an alkaline earth metal and an alkaline earth metal-containing compound: