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. 19, 2023
Filed:
Jun. 26, 2019
Applicant:
Hoya Lens Thailand Ltd., Pathumthani, TH;
Inventor:
Yukio Kageyama, Tokyo, JP;
Assignee:
HOYA LENS THAILAND LTD., Pathumthani, TH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/75 (2006.01); C08G 18/24 (2006.01); C08G 18/28 (2006.01); C08G 18/38 (2006.01); C08G 18/76 (2006.01); G02B 1/04 (2006.01); C08F 222/10 (2006.01); G02C 7/02 (2006.01); C08L 81/02 (2006.01); C08G 75/06 (2006.01); C08G 18/08 (2006.01); C08K 5/21 (2006.01); C08G 18/32 (2006.01);
U.S. Cl.
CPC ...
C08G 18/757 (2013.01); C08F 222/1025 (2020.02); C08G 18/08 (2013.01); C08G 18/242 (2013.01); C08G 18/2815 (2013.01); C08G 18/2835 (2013.01); C08G 18/324 (2013.01); C08G 18/3234 (2013.01); C08G 18/3855 (2013.01); C08G 18/3874 (2013.01); C08G 18/3876 (2013.01); C08G 18/76 (2013.01); C08G 18/7621 (2013.01); C08G 18/7635 (2013.01); C08G 18/7642 (2013.01); C08G 75/06 (2013.01); C08K 5/21 (2013.01); C08L 81/02 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); G02B 1/043 (2013.01); G02C 7/02 (2013.01);
Abstract
The present invention relates to [1] a polymerizable composition for optical member containing a polymerizable component and a urethaneurea compound having a structural unit derived from tolylene diisocyanate in an amount of 0.1 to 10 parts by mass based on 100 parts by mass of a total amount of the polymerizable component; [2] a production method of an optical member, including a step of injecting the polymerizable composition of [1] into a molding die, and a step of polymerizing the polymerizable composition; and [3] a spectacle lens including a spectacle lens substrate obtained by the production method of [2].