ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,142, issued on March 11, was assigned to Bostik Inc. (Wauwatosa, Wis.) and Bostik SA (Colombes, France).
"Tackifier-free hot melt adhesive compositions suitable for use in a disposable hygiene article" was invented by Kimberly E. Secrist (Wauwatosa, Wis.), Steven D. Gray (Wauwatosa, Wis.) and Naji Hussein (Colombes, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot melt adhesive composition comprises a polypropylene homopolymer having a DSC melting point of less than 100deg C.; a butene-based copolymer; and a plasticizer. The butene-based copolymer may comprise a butene-rich amorphous poly-alpha olefin, such as a butene-propylene copolyme...