US Patent Issued to ENTEGRIS, PROMERUS on Oct. 28 for "Porous poly (cyclic olefin) membranes" (Massachusetts, Ohio, New York Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,942, issued on Oct. 28, was assigned to ENTEGRIS INC. (Billerica, Mass.) and PROMERUS LLC (Akron, Ohio).

"Porous poly (cyclic olefin) membranes" was invented by Sina Bonyadi (Billerica, Mass.), Pushkara Rao Varanasi (Poughkeepsie, N.Y.), Zhifeng Li (Acton, Mass.), Carrie Lynn Frazee (Bedford, Mass.), Larry F. Rhodes (Akron, Ohio) and Leah Langsdorf (Akron, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides certain porous membranes comprised of cyclic polyolefin polymers, such as poly(norbornene)s. In one embodiment, a poly(norbornene) polymer is dissolved in tetrahydrofuran, cast into a film and subjected to solvent induced ...