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. 01, 2020
Filed:
Dec. 26, 2018
Applicant:
Skc Co., Ltd., Gyeonggi-do, KR;
Inventors:
Jongmin Shim, Gyeonggi-do, KR;
Junghwan Shin, Gyeonggi-do, KR;
Seung Mo Hong, Incheon, KR;
Hyuk Hee Han, Gyeonggi-do, KR;
Jung Hwan Myung, Gyeonggi-do, KR;
Assignee:
SKC CO., LTD., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/38 (2006.01); C08G 18/73 (2006.01); C08G 18/75 (2006.01); C08G 18/76 (2006.01); C08G 18/24 (2006.01); G02B 1/04 (2006.01); C08G 18/72 (2006.01);
U.S. Cl.
CPC ...
C08G 18/3876 (2013.01); C08G 18/242 (2013.01); C08G 18/721 (2013.01); C08G 18/722 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08G 18/757 (2013.01); C08G 18/758 (2013.01); C08G 18/7621 (2013.01); C08G 18/7642 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01);
Abstract
An embodiment relates to a polymerizable composition for an optical material and a polythiourethane-based compound prepared therefrom. The polythiourethane-based compound is excellent in appearance with low generation rates of stirae and bubbles.