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:
Jul. 23, 2024
Filed:
Apr. 05, 2022
Applicant:
Jsr Corporation, Tokyo, JP;
Inventors:
Ryouyuu Hifumi, Minato-ku, JP;
Toshiaki Kadota, Minato-ku, JP;
Nobuyuki Miyaki, Minato-ku, JP;
Shintarou Fujitomi, Minato-ku, JP;
Yasutaka Yoshida, Minato-ku, JP;
Ryouji Tatara, Minato-ku, JP;
Assignee:
JSR CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/02 (2006.01); B32B 27/00 (2006.01); C08G 65/40 (2006.01); C08K 5/00 (2006.01); C08L 63/00 (2006.01); C08L 71/00 (2006.01); C08L 71/10 (2006.01); C08L 79/02 (2006.01); C08L 79/04 (2006.01); C09D 163/00 (2006.01); C09D 171/00 (2006.01); C09D 179/02 (2006.01);
U.S. Cl.
CPC ...
C08G 73/0273 (2013.01); B32B 27/00 (2013.01); C08G 65/40 (2013.01); C08G 65/4081 (2013.01); C08G 73/02 (2013.01); C08K 5/00 (2013.01); C08L 63/00 (2013.01); C08L 71/00 (2013.01); C08L 71/10 (2013.01); C08L 79/02 (2013.01); C08L 79/04 (2013.01); C09D 163/00 (2013.01); C09D 171/00 (2013.01); C09D 179/02 (2013.01);
Abstract
A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.