US Patent Issued to 3M Innovative Properties on Aug. 4 for "Polyisobutylene adhesive comprising polyolefin copolymer additive" (American, German Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,421, issued on Aug. 4, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Polyisobutylene adhesive comprising polyolefin copolymer additive" was invented by Vasav Sahni (St. Paul, Minn.), David T. Amos (St. Paul, Minn.), Jason D. Clapper (Lino Lakes, Minn.), John W. McAllister (St. Paul, Minn.), Zhong Chen (Cottage Grove, Minn.), Pierre R. Bieber (Dusseldorf, Germany), Jacob P. Johnson (St. Paul, Minn.) and Albert I. Everaerts (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adhesive composition are articles are described. The adhesive composition comprises a polyisobutylene polymer component; up to 20 wt.-% of a polyole...