Title:
BLUE COLORING COMPOSITION CONTAINING XANTHENE DYE, COLORING AGENT FOR COLOR FILTERS, AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2016/152636
Kind Code:
A1
Abstract:
The present invention relates to a blue coloring composition which contains a xanthene dye represented by general formula (1). In the formula, R2 and R3 may combine with each other to form a ring; R6 and R7 may combine with each other to form a ring; adjacent moieties among R9-R12 may combine with each other to form a ring; adjacent moieties among R13-R16 may combine with each other to form a ring; adjacent moieties among R17-R21 may combine with each other to form a ring; at least one moiety among R9-R21 is -SO3
-; M represents a hydrogen atom, an alkali metal atom or an alkaline earth metal atom; x represents an integer of 0-3; and y represents an integer of 1 or 2.
Inventors:
SUZUKI NORITOSHI (JP)
MURAOKA TAITO (JP)
MURAOKA TAITO (JP)
Application Number:
PCT/JP2016/058076
Publication Date:
September 29, 2016
Filing Date:
March 15, 2016
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
C09B67/20; C09B11/28; G02B5/20
Foreign References:
| JP2003521403A | 2003-07-15 | |||
| JPS56113779A | 1981-09-07 | |||
| JP2014109017A | 2014-06-12 |
Attorney, Agent or Firm:
Shin-Ei Patent Firm, P. C. (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
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