Title:
STAINING COMPOSITION, STAINED ARTICLE, AND AZO DYE
Document Type and Number:
WIPO Patent Application WO/2019/151451
Kind Code:
A1
Abstract:
Provided are a staining composition comprising an azo dye represented by formula 1 or 2; a stained article stained using the staining composition; and a novel azo dye. In formula 1 and formula 2, C1 represents a heteroaromatic group; A1 and B1 each independently represent a heteroaromatic group, an aromatic group, or a group having a methine structure, and at least one of A1 and B1 represents a heteroaromatic group; D1 represents an anthraquinonyl group; and E1 represents a heteroaromatic group, an aromatic group, or a group having a methine structure. A1-N=N-C1-N=N-B1 formula 1 D1-N=N-E1 formula 2
Inventors:
FUJITA AKINORI (JP)
ISHIWATA YASUHIRO (JP)
JIMBO YOSHIHIRO (JP)
ISHIWATA YASUHIRO (JP)
JIMBO YOSHIHIRO (JP)
Application Number:
PCT/JP2019/003504
Publication Date:
August 08, 2019
Filing Date:
January 31, 2019
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C09B31/062; A61K8/49; A61Q5/10; C09B29/12; C09B57/00; D06P1/18
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Other References:
ZHANG DONG, ZHOU BING-JIANG, ZHANG YUN, WANG FANG, ZHU HONG-HUA, WU XIAO-HUA: "Synthesis and Study of one Azoanthraquinone Dye as A Receptor for Boric Acid", CHINESE JOURNAL OF SPECTROSCOPY LABORATORY, vol. 28, no. 6, November 2011 (2011-11-01), pages 3020 - 3024, XP009522590, ISSN: 1004-8138
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See also references of EP 3747956A4
H. THIELEMAN: "Zur diinnschicht- bzw. papierchromatographischen Trennung der sechs isomeren Dimethylphenole (Xylenole) als Azofarbstoffe nach Kupplung mit Anthrachinon- 1- diazoniumchlorid (Echtrotsalz AL)", ANALYTISCHE CHEMIE, vol. 253, no. 2, 30 April 1971 (1971-04-30), pages 124, XP055630634
LATVIJAS PSR ZINATNU AKADEMIJAS VESTIS, vol. 5, 1974, pages 590 - 594, XP009522580, ISSN: 0002-3248
See also references of EP 3747956A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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