MUMBAI, India, May 9 -- Intellectual Property India has published a patent application (202517035041 A) filed by Honshu Chemical Industry Co. Ltd., Tokyo, on April 10, for 'method for producing binaphthyl carboxylic acid.'

Inventor(s) include Kodera Masato.

The application for the patent was published on May 9, under issue no. 19/2025.

According to the abstract released by the Intellectual Property India: "The present invention addresses the problem of providing a method for producing binaphthyl carboxylic acid which is suitable as a resin raw material having excellent optical properties and which has good hue. Provided as a solution is a method for producing 2 2 bis(carboxymethoxy) 1 1 binaphthyl represented by formula (2) said method b...