MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202537084681 A) filed by Snf Group, Andrezieux-Boutheon, France, on Sept. 6, for 'method for enhanced recovery of hydrocarbons using a polymer of a crystalline form of 2-acrylamido-2-methylpropanesulphonic acid sodium salt.'
Inventor(s) include Favero, Cedrick; Legras, Benoit; and Kieffer, Johann.
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: "Method for enhanced hydrocarbon recovery comprising the following steps: a) Preparing an injection fluid comprising at least one water-soluble polymer obtained from ATBS, with water or brine; the ATBS bei...