ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,668, issued on April 21, was assigned to SK Chemicals Co. Ltd. (Gyeonggi-do, South Korea).
"Polyester resin blend" was invented by Da-Young Hwang (Gyeonggi-do, South Korea) and Yoo Jin Lee (Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a polyester resin blend. The polyester resin blend can provide a thick container with high transparency even if it contains recycled polyethylene terephthalate as well as virgin polyethylene terephthalate. In addition, the resin blend can be reused by itself, and is expected to be useful for providing continuously usable plastics that have been recently attr...