ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,493, issued on March 25, was assigned to TOAGOSEI Co. LTD. (Tokyo).
"Adhesive composition, film-like adhesive and multilayer film" was invented by Takashi Tsuda (Nagoya, Japan) and Makoto Imahori (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adhesive composition includes an acid-modified polyolefin (A) that is graft-modified with 0.2 to 5 parts by mass of an acid compound (a2) with respect to 100 parts by mass of a polyolefin (a1), in which the adhesive composition has a storage modulus of from 130 to 330 MPa at 23deg C. as measured by a rheometer and has a yield modulus of from 30 to 120 MPa at 23deg C. in a tensile test."
The ...