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:
Jun. 07, 2022
Filed:
Aug. 06, 2018
Applicant:
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 253/22 (2006.01); C07C 209/48 (2006.01);
U.S. Cl.
CPC ...
C07C 253/22 (2013.01); C07C 209/48 (2013.01);
Abstract
The present invention provides a production method for dicyanocyclohexane, including a step of obtaining dicyanocyclohexane by reacting cyclohexanedicarboxylic acid and/or a salt thereof, or a heated concentrate of an aqueous ammonia solution of cyclohexanedicarboxylic acid with ammonia in a solvent having a boiling point equal to or higher than a reaction temperature.