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. 31, 2015
Filed:
Nov. 15, 2010
Vivek Bharti, Cottage Grove, MN (US);
Guy D. Joly, Shoreview, MN (US);
Shujun Wang, St. Paul, MN (US);
Peiwang Zhu, Woodbury, MN (US);
Babu N. Gaddam, Woodbury, MN (US);
Sanat Mohanty, Woodbury, MN (US);
Jingjing MA, Cottage Grove, MN (US);
Vivek Bharti, Cottage Grove, MN (US);
Guy D. Joly, Shoreview, MN (US);
Shujun Wang, St. Paul, MN (US);
Peiwang Zhu, Woodbury, MN (US);
Babu N. Gaddam, Woodbury, MN (US);
Sanat Mohanty, Woodbury, MN (US);
Jingjing Ma, Cottage Grove, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A pressure sensitive adhesive composition is described comprising a polyisobutylene polymer having a first functional group and an acrylic polymer having a second functional group present in the acrylic polymer backbone. The first and second functional groups form a hydrogen bond. In some embodiments, the adhesive composition further comprises a crosslinker that covalently crosslinks the second functional group(s) present in the polymer backbone of the acrylic polymer. Also described are adhesive articles, such as a tape, methods of adhesively bonding, and methods of making a pressure sensitive adhesive.