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:
May. 26, 2026
Filed:
Jan. 25, 2021
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Peter D. Condo, Lake Elmo, MN (US);
David Scott Thompson, Bayport, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); B32B 7/023 (2019.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B32B 5/16 (2013.01); B32B 7/023 (2019.01); B32B 27/08 (2013.01); B32B 27/308 (2013.01); B32B 27/36 (2013.01); B32B 2250/42 (2013.01); B32B 2264/1021 (2020.08); B32B 2305/30 (2013.01); B32B 2307/42 (2013.01); B32B 2307/732 (2013.01); B32B 2551/08 (2013.01);
Abstract
A multilayer film includes pluralities of first layers and polymeric second layers arranged along a thickness direction of the multilayer film. The first and second layers having different compositions. At least one layer of the multilayer film includes at least one polymer and metal oxide nanoparticles dispersed in the at least one polymer. The at least one polymer includes a first polymer including (meth)acrylic acid monomer units. The metal oxide nanoparticles are surface modified with a carboxylic acid silane surface modifying agent.