US Patent Issued to Sumitomo Chemical on Dec. 30 for "Multilayer body for rolling, rolled body and method for producing rolled body" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,749, issued on Dec. 30, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo).

"Multilayer body for rolling, rolled body and method for producing rolled body" was invented by Shunsuke Chiba (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multilayer body for rolling includes a layer A and a layer B. The body is configured such that: if the sum of the total thicknesses of layers A and B is taken as 100%, the total thickness of layer A is from 0.5% to 10% (inclusive) and the total thickness of layer B is from 90% to 99.5% (inclusive), and layer A is arranged in at least one surface. Layer A contains a specific amount of a propylene polym...