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:
Jan. 13, 2026
Filed:
Sep. 17, 2020
Applicant:
Essilor International, Charenton-le-pont, FR;
Inventor:
Ronald A. Berzon, Dallas, TX (US);
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 23/00 (2006.01); B32B 23/08 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/40 (2006.01); C08J 5/12 (2006.01); C09D 175/04 (2006.01); G02B 1/04 (2006.01); G02C 7/02 (2006.01);
U.S. Cl.
CPC ...
B32B 7/12 (2013.01); B32B 23/00 (2013.01); B32B 23/08 (2013.01); B32B 27/08 (2013.01); B32B 27/302 (2013.01); B32B 27/308 (2013.01); B32B 27/34 (2013.01); B32B 27/365 (2013.01); B32B 27/40 (2013.01); C08J 5/128 (2013.01); C09D 175/04 (2013.01); G02B 1/041 (2013.01); G02C 7/02 (2013.01); B32B 2250/24 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2274/00 (2013.01); B32B 2307/412 (2013.01); B32B 2551/00 (2013.01); C08J 2301/12 (2013.01); C08J 2377/00 (2013.01); C08J 2475/04 (2013.01); G02C 2202/16 (2013.01);
Abstract
Disclosed herein are a two-component polyurethane adhesive and a dual cure polyurethane-based adhesive for use in laminated films. The adhesives are particularly useful for producing photochromic and clear-to-polarized laminates for ophthalmic lens applications.