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Application filed by Everlight Chem Ind CorpfiledCriticalEverlight Chem Ind Corp
Priority to TW83107831ApriorityCriticalpatent/TW265352B/en
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Publication of TW265352BpublicationCriticalpatent/TW265352B/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Coloring
(AREA)
Abstract
A tri-azo black dye with the following formula (I) (see claim 1) in which X represents nitro group or sulfonyl group; Y and Z separately represents methyl.
TW83107831A1994-08-261994-08-26Tri-azo black dyes
TW265352B
(en)