US Patent Issued to PPG Industries Ohio on March 25 for "Acrylic polyester resin and an aqueous or powder coating composition containing the same" (British, American Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,485, issued on March 25, was assigned to PPG Industries Ohio Inc. (Cleveland).

"Acrylic polyester resin and an aqueous or powder coating composition containing the same" was invented by William H. Retsch Jr. (Allison Park, Pa.) and Nigel F. Masters (Romford, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is described an acrylic polyester resin, obtainable by grafting an acrylic polymer with a polyester material. The polyester material is obtainable by polymerizing (i) a polyacid component, with (ii) a polyol component, wherein one or both of the polyacid component and the polyol component includes a Tg enhancing monomer. One of ...