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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.:

US 10081703 B1

PDFFull Text
Date of Patent:
Sep. 25, 2018

Filed:

Feb. 05, 2015

Polymerizable composition for optical material and optical material

Applicant:

Mitsui Chemicals, Inc., Minato-ku, Tokyo, JP;

Inventors:

Hidetaka Tsukada, Omuta, JP;

Shinsuke Ito, Omuta, JP;

Naoyuki Kakinuma, Omuta, JP;

Kenichi Goto, Chiba, JP;

Toshihiko Nakagawa, Ichihara, JP;

Satoshi Yamasaki, Chiba, JP;

Assignee:

MITSUI CHEMICALS, INC., Minato-Ku, Tokyo, JP;

Attorney:

Buchanan, Ingersoll & Rooney PC

Primary Examiner:

Thao T Tran

Int. Cl.
CPC ...
C08G 18/72 (2006.01); C08G 18/73 (2006.01); C08G 18/38 (2006.01); G02B 1/04 (2006.01); B29C 45/00 (2006.01); B29D 11/00 (2006.01); C08G 18/75 (2006.01); C08J 5/00 (2006.01); C08G 18/24 (2006.01); B29L 11/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/722 (2013.01); B29C 45/0001 (2013.01); B29C 45/0053 (2013.01); B29D 11/00009 (2013.01); C08G 18/244 (2013.01); C08G 18/3876 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08G 18/758 (2013.01); C08J 5/00 (2013.01); G02B 1/041 (2013.01); B29L 2011/0016 (2013.01); C08J 2375/04 (2013.01);
Abstract

Disclosed is a polymerizable composition for an optical material containing polyisocyanate (a) including aliphatic polyisocyanate (a1) and a modified aliphatic polyisocyanate (a2); and polythiol (b) having a di- or higher functional thiol group, in which the modified aliphatic polyisocyanate (a2) is contained in the polyisocyanate (a) in the amount of less than or equal to 60 weight %.

Find Patent Forward Citations

Tsukada, Hidetaka. (2018). Polymerizable composition for optical material and optical material (U.S. Patent No. 10081703). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10081703

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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