135680-20-5Relevant articles and documents
Dihydroxyxanthene compd., colored resin composition
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Paragraph 0073; 0075-0077, (2017/04/03)
PROBLEM TO BE SOLVED: To provide novel xanthene compounds excellent in heat resistance and fastness and a coloring resin composition which enables production of a red color filter using the compounds as a dye.SOLUTION: Xanthene compounds of formula (1) are provided. In the formula (1), Rto Rare independently H or a 1-4C alkyl group; Ris a carboxylic acid ester group; Rto Rare independently H, a halogen atom, a cyano group, a nitro group or a 1-4C alkyl group; and Ris H, a 1-10C alkyl group or a 5-10C aromatic hydrocarbon group.
Basic Yellow Dyes as Dye Component for Optical Data Recording Media
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Page/Page column 7, (2009/01/24)
The present invention relates to the use of Basic Yellow dyes as dye component for optical data recording media. In a preferred aspect the present invention relates to Basic Yellow dyes together with a metalazo complex dye as dye components for optical da