US Patent Issued to NOURYON CHEMICALS INTERNATIONAL on June 24 for "Thermally expandable cellulose-based microspheres" (Swedish, Spanish Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,336, issued on June 24, was assigned to NOURYON CHEMICALS INTERNATIONAL B.V. (Arnhem, Netherlands).

"Thermally expandable cellulose-based microspheres" was invented by Bo Andreasson (Sundsvall, Sweden), Roel Wijtmans (Kvissleby, Sweden), Anna Larsson-Kron (Sundsvall, Sweden), Malin From (Njurunda, Sweden), Ana Lopez Cabezas (Uppsala, Spain), Marcus Ruda (Rimbo, Sweden) and Paula Martirez (Stockholm).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to thermally expandable microspheres comprising a polymeric shell surrounding a blowing agent-containing hollow core, the polymer shell comprising a carboxylate-functionalised cellulose...