US Patent Issued to Dow Global Technologies on Nov. 18 for "Method of producing carbon molecular sieve membranes" (Michigan, Texas Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,482, issued on Nov. 18, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Method of producing carbon molecular sieve membranes" was invented by Junqiang Liu (Freeport, Texas) and Dean M. Millar (Midland, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a carbon molecular sieve membrane includes dissolving a halogenated precursor polymer in a solvent, thereby forming a dissolved halogenated precursor polymer. Homogeneously dehydrohalogenating the dissolved halogenated precursor polymer with an organic amine base to form a partially dehydrohalogenated polymer. Forming a thin film from the partially dehydrohalogenat...