US Patent Issued to Avery Dennison on April 29 for "Butyl rubber based pressure sensitive adhesives" (Ohio, California Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,563, issued on April 29, was assigned to Avery Dennison Corp. (Mentor, Ohio).

"Butyl rubber based pressure sensitive adhesives" was invented by Henry W. Milliman (Painesville, Ohio), Marcela Castano (Northfield, Ohio) and Dong-Tsai Hseih (Arcadia, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are butyl rubber based pressure sensitive adhesive compositions comprising low molecular weight polyisobutylene oligomers and a multifunctional crosslinker. These adhesive compositions can exhibit high adhesion and shear resistance without requiring curing at high temperature to provide the compositions with these advantageous performance...