ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,560, issued on Dec. 30, was assigned to KURARAY Co. LTD. (Okayama, Japan).
"Resin pellet group and lamination structure using the same" was invented by Rina Hoshika (Okayama, Japan) and Yasushi Morihara (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resin pellet group according to the present invention includes a pellet (A1) containing an ethylene-vinyl alcohol copolymer (a1), and a pellet (A2) containing an ethylene-vinyl alcohol copolymer (a2). Here, the pellet (A1) has a melt tension of 10 mN or more and 30 mN or less at a take-up speed of 50 m/min and 210deg C., and the pellet (A2) has a melt tension of 2 mN or more and less th...