MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517071986 A) filed by Bayer Aktiengesellschaft, Leverkusen, Germany, on July 29, for 'method for producing methyl-4-isocyanatosulfonyl-5-methyl-thiophene-3-carboxylate.'
Inventor(s) include Arlt, Alexander; Geller, Thomas; and Brohm, Dirk.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a method for producing methyl-4-isocyanatosulfonyl-5-methyl-thiophene-3-carboxylate of formula (I) by reacting methyl-4-(aminosulfonyl)-5-methylthiophene-3-carboxylate of formula (II) with diphosgene or triphosgene in the presence of o...