ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,379, issued on Oct. 27, was assigned to MITSUBISHI CHEMICAL Corp. (Tokyo).
"Poly(vinyl alcohol) resin composition and injection-molded object" was invented by Yasuhiro Hirano (Tokyo) and Yuya Kanamori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polyvinyl alcohol-based resin composition containing a polyvinyl alcohol-based resin (A), in which a molding shrinkage rate in at least one direction of an MD direction and a TD direction during injection molding is 0.4% or more."
The patent was filed on Sept. 27, 2023, under Application No. 18/373,564.
*For further information, including images, charts and table...