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:
Apr. 26, 2022
Filed:
Dec. 22, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Jeffrey L. Solomon, Vadnais Heights, MN (US);
Saswata Chakraborty, Oakdale, MN (US);
Robert J. Devoe, Minnetonka, MN (US);
Wayne S. Mahoney, St. Paul, MN (US);
Eric W. Nelson, Stillwater, MN (US);
Kundapur Raveesh Shenoy, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Article comprising a first microstructured layer comprising a first material, and having first and second opposed major surfaces, the first major surface being a microstructured surface, and the microstructured surface having peaks and valleys, wherein the peaks are microstructural features each having a height defined by the distance between the peak of the respective microstructural feature and an adjacent valley; and a second layer comprising an adhesive material, and having a first and second opposed major surfaces, the adhesive material comprising a reaction product of a mixture comprising (meth)acrylate and epoxy in the presence of each other, wherein at least a portion of the second major surface of the second layer is directly attached to at least a portion of the first major microstructured surface of the first layer.