ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,821, issued on Feb. 10, was assigned to Bostik Inc. (Wauwatosa, Wis.).
"Compostable hot melt adhesive" was invented by Monina D. Kanderski (Wauwatosa, Wis.), Michael D. Vitrano (Wauwatosa, Wis.), David P. Keuler (Wauwatosa, Wis.), Deepa Puthanparambil (Wauwatosa, Wis.), Jacqueline M. Lambert (Wauwatosa, Wis.) and Brian J. Morrow (Wauwatosa, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot melt adhesive comprises a polylactide homopolymer or copolymer, such as polylactic acid; sulfonated copolyester; and at least one plasticizer, and is compostable. The plasticizer may be a solid plasticizer, such as a benzoate, and a second plasticizer may ...