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:
Jun. 28, 2016
Filed:
Feb. 04, 2014
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Dnp Fine Chemicals Co., Ltd., Yokohama-shi, Kanagawa, JP;
Masato Okada, Tokyo-to, JP;
Daisuke Endo, Tokyo-to, JP;
Michihiro Ogura, Tokyo-to, JP;
Hiroaki Segawa, Tokyo-to, JP;
Tomoki Murata, Tokyo-to, JP;
Yoshihito Maeno, Tokyo-to, JP;
Hiroshi Oshima, Yokohama, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo-to, JP;
DNP FINE CHEMICALS CO., LTD., Yokohama-shi, Kanagawa, JP;
Abstract
The present invention is to provide a colorant dispersion liquid which is able to form a high-luminance coating film having better heat resistance compared to the case of using conventional dyes. Disclosed is a colorant dispersion liquid containing (A) a colorant, (B) a dispersant, and (C) a solvent, wherein the colorant (A) contains a color material represented by the following general formula (I) and a xanthene-based dye; a solubility of the color material in the solvent (C) and that of the xanthene-based dye in the solvent (C) are each 0.2 (g/100 g solvent) or less at 23° C.; and the color material and the xanthene-based dye are dispersed in the solvent (C) by the dispersant (B): (The symbols in the formula are as described in the Description.)