ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,656, issued on Feb. 3, was assigned to TOYOBO MC Corp. (Osaka, Japan).

"Method for producing poly-4-methyl-1-pentene with lower molecular weight" was invented by Yoshiyuki Kitagawa (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to the method of the present invention, poly-4-methyl-1-pentene with a lower molecular weight can be easily and safely produced by mixing poly-4-methyl-1-pentene and another type of polyolefin (I) and conducting melt-stirring at a temperature equal to or higher than the melting points of both the poly-4-methyl-1-pentene and the polyolefin (I)."

The patent was filed on Oct. 11, 2022, under Application No...