The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2026
Filed:
Feb. 26, 2019
3m Innovative Properties Company, St. Paul, MN (US);
Vasav Sahni, St. Paul, MN (US);
David T. Amos, St. Paul, MN (US);
Jason D. Clapper, Lino Lakes, MN (US);
John W. Mcallister, St. Paul, MN (US);
Zhong Chen, Cottage Grove, MN (US);
Pierre R. Bieber, Dusseldorf, DE;
Jacob P. Johnson, St. Paul, MN (US);
Albert I. Everaerts, Tucson, AZ (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An adhesive composition are articles are described. The adhesive composition comprises a polyisobutylene polymer component; up to 20 wt.-% of a polyolefin copolymer comprising polymerized units of an acidic monomer; and optionally, at least one tackifier. The polyolefin copolymer typically comprises C-Calkylene units. The polyolefin copolymer comprises polymerized units of a carboxylic acid, or unsaturated derivative thereof. In some embodiments, the polyolefin copolymer has a melting temperature ranging from 50 to 150° C. In some embodiments, the polyolefin copolymer has an acid number of less than 40, 35, 30, or 25 mgKOH/g.