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:
Apr. 21, 2026
Filed:
Jul. 13, 2021
Applicant:
Tokuyama Corporation, Yamaguchi, JP;
Inventors:
Assignee:
TOKUYAMA CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21F 1/10 (2006.01); C08F 2/44 (2006.01); C08F 230/02 (2006.01); C09K 9/00 (2006.01);
U.S. Cl.
CPC ...
G21F 1/103 (2013.01); C08F 2/44 (2013.01); C08F 230/02 (2013.01); C09K 9/00 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/1096 (2013.01);
Abstract
The present invention provides: a curable composition which contains a bismuth compound, wherein a phosphoric acid ester having a (meth)acryloyl group is bonded to bismuth, and a nitrile compound having a radically polymerizable carbon-carbon double bond; a cured body which is obtained by curing this curable composition; a multilayer body which is composed of the above-described cured body and a cured body that is obtained by curing a photochromic curable composition; and a radiation protective material which is formed of the above-described cured body or the above-described multilayer body.