US Patent Issued to Alcon on April 29 for "Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof" (Georgia, New Jersey Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,501, issued on April 29, was assigned to Alcon Inc. (Fribourg, Switzerland).

"Hydrophilized polydiorganosiloxane vinylic crosslinkers and uses thereof" was invented by Jinyu Huang (Ridgewood, N.J.), Frank Chang (Cumming, Ga.), Steve Yun Zhang (Sugar Hill, Ga.) and Feng Jing (Alpharetta, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a hydrophilized polydiorganosiloxane vinylic crosslinker which comprises (1) a polydiorganosiloxane polymer chain comprising dimethylsiloxane units and hydrophilized siloxane units each having one methyl substituent and one monovalent C4-C40 organic radical substituent having two to six hydroxyl...