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:
Oct. 13, 2015
Filed:
Mar. 12, 2012
Nobuo Kobayashi, Ichihara, JP;
Akihiro Kondo, Sakura, JP;
Atsuhisa Miyawaki, Sakura, JP;
Naoya Ikushima, Sakura, JP;
Kazuaki Hatsusaka, Kita-Adachi-gun, JP;
Nobuo Kobayashi, Ichihara, JP;
Akihiro Kondo, Sakura, JP;
Atsuhisa Miyawaki, Sakura, JP;
Naoya Ikushima, Sakura, JP;
Kazuaki Hatsusaka, Kita-Adachi-gun, JP;
DIC Corporation, Tokyo, JP;
Abstract
There are provided a radical polymerizable composition having a low viscosity suitable for coating, a cured product obtained by curing the composition, the cured product having a high refractive index and high toughness and being not easily cracked or chipped when cutting, and a plastic lens obtained by curing the composition. A radical polymerizable composition includes phenylbenzyl(meth)acrylate (A), a urethane(meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.