US Patent Issued to Dow Global Technologies, Rohm and Haas on June 23 for "Adhesive composition with improved bonding strength and heat seal performance" (Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,613, issued on June 23, was assigned to Dow Global Technologies LLC (Midland, Mich.) and Rohm and Haas Co. (Collegeville, Pa.).

"Adhesive composition with improved bonding strength and heat seal performance" was invented by Rui Shi (Shanghai), Weifang Zhang (Shanghai) and Yin Xue (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adhesive composition comprising: (A) an acrylic emulsion polymer; and (B) a vinyl aromatic monomer-maleic anhydride copolymer is provided, wherein (B) vinyl aromatic monomer-maleic anhydride copolymer is present at an amount of 0.1% by weight to 6.5% by weight, based on the total solid weight of the adhesive compos...