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:
Sep. 22, 2026
Filed:
Mar. 30, 2023
Applicant:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Inventor:
Kei Kobayashi, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 9/02 (2006.01); C08F 222/10 (2006.01); C09D 4/06 (2006.01); C09D 5/29 (2006.01); C09D 135/02 (2006.01); G02C 7/10 (2006.01);
U.S. Cl.
CPC ...
C09K 9/02 (2013.01); C08F 222/1063 (2020.02); C09D 4/06 (2013.01); C09D 5/29 (2013.01); C09D 135/02 (2013.01); G02C 7/102 (2013.01);
Abstract
A polymerizable composition for an optical article, including two or more (meth)acrylates and a photochromic compound. The two or more (meth)acrylates include at least a multifunctional (meth)acrylate containing a polyalkylene glycol moiety and having a molecular weight of 500 or more, and the (meth)acryloyl group content in the polymerizable composition for an optical article is 3.50 mmol/g or more.