MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647101901 A) filed by Toray Industries, Inc. on August 24, 2026, for Separation Membrane And Method For Producing Same.

Inventors include Sakurai Yuka; Kato Satoshi; and Kanamori Satoko.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: This separation membrane comprises: a porous resin layer which contains a polymer comprising mainly a poly(vinylidene fluoride)-based resin; and another layer. The porous resin layer is provided to a surface section. The polymer has an a value of 0.40-0.48, with the a value being determined, by approximation using a formula 1, from the radius of rotation S21/2,...