US Patent Issued to ASM on April 22 for "Polyrotaxane comprising long-chain alkyl group in cyclic molecule, composition comprising said polyrotaxane, and method for producing said polyrotaxane" (Japanese Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,206, issued on April 22, was assigned to ASM INC. (Ibaraki, Japan).

"Polyrotaxane comprising long-chain alkyl group in cyclic molecule, composition comprising said polyrotaxane, and method for producing said polyrotaxane" was invented by Katsunari Inoue (Kashiwa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a polyrotaxane of high compatibility with silicones, such as silicone oil, a highly insulative polyrotaxane, and/or a material comprising said polyrotaxane. The present invention provides a polyrotaxane obtained by disposing blocking groups at both ends of a pseudopolyrotaxane, in which the opening in a cycli...