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. 21, 2024
Filed:
Feb. 19, 2019
Applicant:
Tokuyama Corporation, Shunan, JP;
Inventors:
Assignee:
TOKUYAMA CORPORATION, Shunan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); B32B 7/12 (2006.01); B32B 23/08 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/30 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/40 (2006.01); G02C 7/02 (2006.01); G02C 7/10 (2006.01); G02C 7/12 (2006.01);
U.S. Cl.
CPC ...
G02B 1/041 (2013.01); B32B 7/12 (2013.01); B32B 23/08 (2013.01); B32B 27/08 (2013.01); B32B 27/283 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B32B 27/40 (2013.01); G02C 7/02 (2013.01); G02C 7/102 (2013.01); G02C 7/12 (2013.01); B32B 2250/03 (2013.01); B32B 2250/05 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/412 (2013.01); B32B 2307/42 (2013.01); B32B 2551/00 (2013.01);
Abstract
A functional lens comprising a functional laminate (A) having a functional layer (Ac) having photochromic properties and/or polarizability between a first optical sheet (Aa) and a second optical sheet (Ab) both made of a resin such as polyamide resin and a synthetic resin layer (B) made of a resin such as allyl resin or polythiourethane resin on the first optical sheet (Aa) and/or the second optical sheet (Ab) of the functional laminate (A) and having an adhesive strength between the first optical sheet (Aa) and/or the second optical sheet (Ab) and the synthetic resin layer (B) of not less than 50 N.