ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,964, issued on Aug. 25, was assigned to Mitsubishi Chemical Corp. (Tokyo).
"Modified ethylene-vinyl alcohol resin and production method therefor" was invented by Yuuta Kobayashi (Tokyo) and Tomotake Yano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A modified EVOH resin comprising aliphatic polyester units, wherein an average chain length of the aliphatic polyester units in the modified EVOH resin is 1.5 or more. A significant decrease in melting point is suppressed in the modified EVOH resin."
The patent was filed on Feb. 9, 2023, under Application No. 18/107,986.
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