MUMBAI, India, May 9 -- Intellectual Property India has published a patent application (202321075202 A) filed by Hemant Ratnakar Bandodkar, Thane, Maharashtra, on Nov. 3, 2023, for 'process for the production of 4,4'-dichlorodiphenyl sulfone.'
Inventor(s) include Hemant Ratnakar Bandodkar; and Dilip Chandrakant Sawant.
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: "A method of production of 4,4'-dichlorodiphenyl sulfone by reacting chlorobenzene with sulfuric acid in presence or absent of catalyst. The invention provides a process for the production 4,4'-dichlorodiphenyl sulfone in high yields and enhanced selectivity by reacting chlo...