专利名称：Reactive dyes, their preparation and use
thereof
发明人：KLIER, HERBERT,TZIKAS, ATHANASSIOS申请号：EP98810060.8申请日：19980129公开号：EP0857762A1公开日：19980812
摘要：Reactive pyridone disazo dyes of formula (I) are new; where R1, R2 = 1-4C alkyl;R3 = cyano, carbamoyl or sulphomethyl; R4, R4' = H, sulpho, 1-4C alkyl, 1-4C alkoxy orhalogen; R5 = H, 1-4C alkyl, 1-4C alkoxy or halogen; R6-R8 = H or 1-4C alkyl; X = a directbond or -(CH2)1-4-. Also claimed are aqueous concentrates containing 5-50 wt.% dye(s)(I).
申请人：CIBA SPECIALTY CHEMICALS HOLDING INC.
地址：Klybeckstrasse 141 4057 Basel CH
国籍：CH
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