ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,687, issued on June 30, was assigned to Kraton Corp. (The Woodlands, Texas).
"Recycled polymer compositions" was invented by Freddy Vervoort (Brussels), Lennaert Klerk (Amsterdam), Stijn Van Averbeke (Brussels) and Laurens Engelen (Amsterdam).
According to the abstract* released by the U.S. Patent & Trademark Office: "A recycled polymer composition is disclosed comprising: a) 80-99.5 wt. % of a post-consumer recycle polymer comprising a recycled high density polyethylene (PCR-HDPE) and a recycled polypropylene (PCR-PP); b) 0.5-20 wt. % of a styrenic block copolymer (SBC) having a block A derived from a vinyl aromatic monomer and a block B derived from a conjugated diene monomer; ...