MUMBAI, India, June 27 -- Intellectual Property India has published a patent application (202517054551 A) filed by Mitsubishi Gas Chemical Company, Inc., Tokyo, on June 6, for 'method for producing diamine containing cyclohexane ring.'

Inventor(s) include Sugita Takuya; Yamaichi Aoto; Misaki Satoshi; and Muneyasu Kuniaki.

The application for the patent was published on June 27, under issue no. 26/2025.

According to the abstract released by the Intellectual Property India: "A method for producing a diamine containing a cyclohexane ring, the method comprising hydrogenating a diamine containing an aromatic ring in the presence of: a metal-containing alumina catalyst obtained by regeneration in catalyst regeneration steps comprising a step (...