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:
Jun. 28, 2022
Filed:
May. 16, 2018
3m Innovative Properties Company, St. Paul, MN (US);
Erik M. Townsend, Hastings, MN (US);
Shantanu R. Ranade, Woodbury, MN (US);
William H. Moser, Edina, MN (US);
Kathleen S. Shafer, Woodbury, MN (US);
Michael A. Kropp, Cottage Grove, MN (US);
Jayshree Seth, Woodbury, MN (US);
Ross E. Behling, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An adhesive article comprising first and second tacky latent adhesive layers disposed on respective first and second opposed major surfaces of a substrate. Each of the first and second tacky latent adhesive layers independently comprises at least one polymerizable component, and a redox initiator system comprising a transition metal complex that participates in a redox cycle, an oxidizing agent, and a blocked reducing agent represented by the formula ((I). Each of Rand Rare independently H, an alkyl, an aryl, or RPhoto5 with the proviso that at least one of R1 and Ris RPhoto. Rrepresents a photoremovable group. Each of Rand Rindependently represents H, an alkyl group, or an aryl group comprising a monovalent ester, ether, urethane, or carbonate group. Methods of making and using the adhesive articles are also disclosed.