US Patent Issued to Aquapak IP on March 18 for "Process for manufacture of plasticized homopolymeric polyvinyl alcohol and plasticized polyvinyl alcohol polymer obtained therefrom" (British Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,607, issued on March 18, was assigned to Aquapak IP Ltd. (Birmingham, Great Britain).

"Process for manufacture of plasticized homopolymeric polyvinyl alcohol and plasticized polyvinyl alcohol polymer obtained therefrom" was invented by John Williams (Chirbury, Great Britain), Sian Griffiths (Conwy, Great Britain) and Robert Ashworth (Conwy, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention describes a method for the manufacture of a plasticized polyvinyl alcohol polymer mixture including the steps of: introducing into a mixing reactor a polyvinyl alcohol polymer comprising homopolymeric polyvinyl alcohol or a blend thereof ...