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:
Mar. 07, 2017
Filed:
Aug. 12, 2013
3m Innovative Properties Company, St. Paul, MN (US);
Hae-Seung Lee, Woodbury, MN (US);
Jonathan E. Janoski, Woodbury, MN (US);
Joon Chatterjee, Bloomington, MN (US);
Kevin M. Lewandowski, Inver Grove Heights, MN (US);
Babu N. Gaddam, Woodbury, MN (US);
Other;
Abstract
An adhesive composition is described comprising a tackifier and at least one grafted isobutylene copolymer. The grafted isobutylene copolymer has the formula: R—(R—Z) wherein Rrepresents an isobutylene copolymer, Ris a covalent bond or multivalent alkylene or arylene, and Z is a grafted polymer. Z is typically a homopolymer of copolymer comprising alkene repeat units, aralkylene repeat units, or a combination thereof. Also described are adhesive coated articles, methods of making adhesive coated articles, and grafted isobutylene polymers.