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US 2026/0202582 A1Published application
Composition, curable composition, cured body, optical product, lens, eyeglasses, antimicrobial/antiviral agent, and resin composition
AssigneeTokuyama Corporation
InventorsTakayoshi Kawasaki, Hayato Marumoto
Life of this patent
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Abstract
Provided is a composition that contains bismuth, a first bismuth compound having at least one of an acryloyl group and a methacryloyl group, and a coordinating organic compound having an acid dissociation constant pKa of 1.5 or more. Also provided are a curable composition containing said composition; a cured body of said curable composition; an optical product, a lens, eyeglasses, and an antimicrobial/antiviral agent containing said cured body; and a resin composition.
Claims19
A composition comprising:
- a first bismuth compound comprising bismuth and at least one selected from the group consisting of an acryloyl group and a methacryloyl group;
- and
- a coordinating organic compound having an acid dissociation constant pKa of 1.5 or more.
A resin composition comprising:
- bismuth;
- and
- a (meth)acrylic resin, wherein a content of phenol is 10 ppm or less, as determined by gas chromatography mass spectrometry using, as a standard, a polymerization inhibitor existing in the resin composition.
Dependencies are inferred from the claim text.