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:
Jul. 06, 2021
Filed:
Nov. 28, 2017
3m Innovative Properties Company, St. Paul, MN (US);
Adam D. Miller, St. Paul, MN (US);
Donovan G. Weiblen, III, St. Paul, MN (US);
William Blake Kolb, Stillwater, MN (US);
Thomas P. Klun, Lakeland, MN (US);
Richard J. Pokorny, Maplewood, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A photochromic article is provided, containing a structural component, a fluid in contact with the structural component, and a photochromic organic dye in contact with the fluid; and a barrier layer disposed on the structural component to provide a barrier for the fluid and photochromic organic dye. The structural component includes a polymeric material that is porous, includes a plurality of cavities, or a combination thereof. A method of changing a light transmission of a photochromic article is provided. A method of forming a photochromic article is also provided.