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:
Oct. 06, 2026
Filed:
Aug. 18, 2022
3m Innovative Properties Company, St. Paul, MN (US);
Vasav Sahni, St. Paul, MN (US);
Claire Hartmann-Thompson, Lake Elmo, MN (US);
Jacob P. Johnson, St. Paul, MN (US);
Jacek W. Dziedzic, Elk Grove Village, IL (US);
Thomas E. Augustine, Hager City, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A crosslinkable composition comprises components: (a) at least one polymer comprising isobutylene monomer units: and (b) at least one star polymer represented by the formula SiR(OSi(R)-PIB-T). Each R independently represents a hydrocarbyl group having from 1 to 6 carbon atoms. Each PIB independently represents a divalent polymeric segment comprising isobutylene monomer units. Each T independently represents a monovalent terminal group, and n is 0 or 1. An adhesive comprising a crosslinked reaction product of the crosslinkable composition and a method of making the adhesive are also disclosed.