ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,313, issued on Sept. 9, was assigned to Covestro Deutschland AG (Leverkusen, Germany).
"Mineral-reinforced co-polyester blend" was invented by Marius Nolte (Cologne, Germany) and Ralf Hufen (Duisburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a composition containing A) 60 to 80 wt. % of a polyester on the basis of terephthalic acid and at least one dianhydrohexitol and optionally additional diols, B) 10 to 30 wt. % of a polyester on the basis of succinic acid and at least one aliphatic, araliphatic or cycloaliphatic diol, and C) 3 to 12 wt. % of at least one mineral reinforcing material on the basis of talcum....