US Patent Issued to Celanese International on April 7 for "Vinyl acetate-based copolymer dispersions with small particle size" (German, Dutch Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,323, issued on April 7, was assigned to Celanese International Corp. (Irving, Texas).

"Vinyl acetate-based copolymer dispersions with small particle size" was invented by Harmin Muller (Hofheim, Germany), Matthias Seib (Friedberg, Germany), Argiri Tsami-Schulte (Kelkheim, Germany) and Bastiaan Van Voorn (Beuningen, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aqueous copolymer dispersions are useful for incorporating into primer formulations. The aqueous copolymer dispersions comprise a vinyl acetate-based copolymer and have a particle size of less than or equal to 120 nanometers. The resulting primer formulations have good penetration...