Title:
COLORING AGENT, COLORING COMPOSITION, COLOR FILM, AND DISPLAY ELEMENT
Document Type and Number:
WIPO Patent Application WO/2012/023474
Kind Code:
A1
Abstract:
Provided is a novel coloring agent capable of realizing higher brightness and higher color purity than in the past. The coloring agent of the present invention is a triarylmethane coloring agent or xanthene coloring agent having anions represented by formula (1). [In the formula (1), R is an aliphatic hydrocarbon group or alicyclic hydrocarbon group, and the hydrogen atoms of the aliphatic hydrocarbon group and alicyclic hydrocarbon group can be substituted by at least one selected from the group comprising hydroxyl groups, sulfanyl groups, carboxyl groups, alkoxy groups, oxo groups, halo groups, and -X-NR1R2 (where R1 and R2 each independently are hydrogen atoms or optionally substituted hydrocarbon groups and X is a single bond or carbonyl group).]
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Inventors:
YONEDA EIJI (JP)
EBATA SATOSHI (JP)
NARUSE SHINGO (JP)
EBATA SATOSHI (JP)
NARUSE SHINGO (JP)
Application Number:
PCT/JP2011/068287
Publication Date:
February 23, 2012
Filing Date:
August 10, 2011
Export Citation:
Assignee:
JSR CORP (JP)
YONEDA EIJI (JP)
EBATA SATOSHI (JP)
NARUSE SHINGO (JP)
YONEDA EIJI (JP)
EBATA SATOSHI (JP)
NARUSE SHINGO (JP)
International Classes:
C09B11/00; C09B11/12; C09B67/42; C09B69/06; G02B5/20; G02B5/22; G03F7/004
Foreign References:
| JPS62293247A | 1987-12-19 | |||
| JPS63127235A | 1988-05-31 | |||
| JPH05197137A | 1993-08-06 | |||
| JP2011117995A | 2011-06-16 | |||
| JP2011070171A | 2011-04-07 |
Attorney, Agent or Firm:
THE PATENT CORPORATE BODY ARUGA PATENT OFFICE (JP)
Patent business corporation Alga patent firm (JP)
Patent business corporation Alga patent firm (JP)
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Claims: