ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,305, issued on June 24, was assigned to NOF Corp. (Tokyo).
"Wax dispersant and thermoplastic resin composition" was invented by Akihiro Yamada (Amagasaki, Japan), Takeshi Yoshimura (Amagasaki, Japan), Hiroyuki Ogi (Amagasaki, Japan) and Tatsuya Aono (Amagasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a wax dispersant capable of improving the resin composition in the fluidity in a molten state, the transparency and the storage stability, when adding the wax to a thermoplastic resin. The wax dispersant is a copolymer (A) which has a copolymerization composition comprising structural units respectively derived from:...