发明申请
US20080196180A1 6-Azo-5,5'-Dihydroxy-7,7'-Disulfo-2-2' Dinaphthylamine Derivatives 失效
6-偶氮-5,5'-二羟基-7,7'-二磺基-2-2'二萘胺衍生物

6-Azo-5,5'-Dihydroxy-7,7'-Disulfo-2-2' Dinaphthylamine Derivatives
摘要:
The present invention provides 6-azo-5,5′-dihydroxy-7,7′-disulfo-2,2′-dinaphthylamine derivatives, their use as dyes, dyed paper and formulations comprising them.
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