US Patent Issued to 3M Innovative Properties on Feb. 24 for "Hollow fiber membranes with polydiorganosiloxane polyoxamide copolymer skin layer and methods of making and using the same" (Minnesota, South Carolina Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,654, issued on Feb. 24, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Hollow fiber membranes with polydiorganosiloxane polyoxamide copolymer skin layer and methods of making and using the same" was invented by Jinsheng Zhou (Woodbury, Minn.), Kuan-Yin Lin (Woodbury, Minn.), James C. DeLozier (Fort Mill, S.C.) and David S. Hays (St. Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Hollow fiber membranes, membrane contactors, and related production and use methods. The asymmetric hollow fiber membranes include a porous substrate having a multiplicity of pores and including at least one semi-crystalline thermoplastic polyol...