Disperse dyes

Disperse dyes of formula wherein R1 is nitro or cyano, R2 is halogen, R3 is C1-C4alkyl, R4 and R5 are each independently of the other methyl or ethyl and R6 is hydrogen, methyl or ethyl, with the proviso that R6 is not hydrogen if R1 is cyano, R2 is halogen and R3 is methyl or isopropyl or if R1 is...

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Bibliographic Details
Main Authors CLEMENT; ANTOINE, LAUK; URS, ARQUINT; ALFONS
Format Patent
LanguageEnglish
Published 29.08.2000
Edition7
Subjects
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Summary:Disperse dyes of formula wherein R1 is nitro or cyano, R2 is halogen, R3 is C1-C4alkyl, R4 and R5 are each independently of the other methyl or ethyl and R6 is hydrogen, methyl or ethyl, with the proviso that R6 is not hydrogen if R1 is cyano, R2 is halogen and R3 is methyl or isopropyl or if R1 is nitro, R2 is halogen and R3 is methyl. These dyes are suitable in particular for dyeing and printing polyester textile materials.
Bibliography:Application Number: US19990294481