US Patent Issued to Kuraray on Sept. 1 for "Full-grain leather-like sheet" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,365, issued on Sept. 1, was assigned to Kuraray Co. Ltd. (Okayama, Japan).

"Full-grain leather-like sheet" was invented by Mitsuharu Uesaka (Okayama, Japan), Yohei Takatori (Okayama, Japan) and Masato Warita (Okayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a grain-finished leather-like sheet including: a fiber substrate; and a resin layer stacked on one side of the fiber substrate, wherein the resin layer includes at least a skin layer, and the skin layer includes a polyurethane, a nonionic compound having an HLB value of 10 to 16, and a water-soluble polymer, and has surface free energy including a polar component of 25 t...