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:
Jan. 06, 2015
Filed:
Nov. 18, 2010
Yuji Goto, Kasugai, JP;
Ichiro Ando, Kasugai, JP;
Ryo Matsushita, Kasugai, JP;
Menicon Co., Ltd., Nagoya-shi, JP;
Abstract
The present invention provides a dye composition for an ophthalmic lens, which is a dye composition used for dyeing an ophthalmic lens with an ink-jet coating equipment, characterized by the composition including: (A) a dye having at least one group having a carbon-carbon double bond selected from an α,β-unsaturated carbonyl group, a styryl group, a vinylbenzyl group and an allyl group per molecule; (B) a radical polymerization initiator; and (C) a solvent capable of dissolving at least a part of the component (A) and the component (B), and/or (D) a monomer having at least one radical polymerizable group per molecule.