ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,817, issued on July 22, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).
"Hot-melt composition" was invented by Misaki Matsumura (Hiratsuka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a hot-melt composition which has excellent workability, hot flow resistance, balance between adhesion and detachability, volatility resistance, and hot creep resistance. The present invention is a hot-melt composition comprising: as thermoplastic elastomers (1), a styrene-based thermoplastic elastomer (1a) having a weight average molecular weight of 300,000 or more, a styrene-based thermoplastic elastome...