US Patent Issued to Evonik Operations on Sept. 2 for "Aqueous polyorganosiloxane hybrid resin dispersion" (German Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,407, issued on Sept. 2, was assigned to Evonik Operations GmbH (Essen, Germany).

"Aqueous polyorganosiloxane hybrid resin dispersion" was invented by Mona Seyfried (Essen, Germany), Stefan Silber (Krefeld, Germany), Berend-Jan de Gans (Muelheim an der Ruhr, Germany), Michael Fiedel (Essen, Germany) and Markus Hallack (Schermbeck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing an aqueous polyorganosiloxane hybrid resin dispersion includes emulsifying a polyorganosiloxane hybrid resin solution of a polyorganosiloxane hybrid resin and an organic or semi-organic solvent with an emulsifier solution that includes at least o...