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:
Mar. 16, 2021
Filed:
Aug. 27, 2018
Applicant:
Hoya Lens Thailand Ltd., Patumthani, TH;
Inventors:
Masahisa Kousaka, Hachioji, JP;
Natsumi Tasaki, Akishima, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/04 (2006.01); G02B 5/22 (2006.01); C08K 5/3475 (2006.01); C08L 101/00 (2006.01);
U.S. Cl.
CPC ...
C08K 5/3475 (2013.01); C08L 101/00 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); G02B 5/22 (2013.01); G02B 5/223 (2013.01);
Abstract
To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).