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:
Aug. 05, 2025
Filed:
Mar. 28, 2022
Applicant:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Inventors:
Takuya Shimada, Tokyo, JP;
Kei Kobayashi, Tokyo, JP;
Teruo Yamashita, Tokyo, JP;
Tsuyoshi Watanabe, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 290/06 (2006.01); G02B 1/04 (2006.01); G02B 5/23 (2006.01); C09K 9/02 (2006.01);
U.S. Cl.
CPC ...
C08F 290/06 (2013.01); C08F 290/062 (2013.01); G02B 1/041 (2013.01); G02B 5/23 (2013.01); C09K 9/02 (2013.01);
Abstract
Provided is a polymerizable composition for an optical article including a photochromic compound, a component A: an acyclic methacrylate having a molecular weight of 500 or more, and a component B: a hydroxy group-containing (meth)acrylate.