Process for the manufacture of new metallizable 4-hydroxy-5-carboxyphenyl-2:2'-dihydroxy-azo-dyestuffs专利检索- .由在相同环中或在迫位具有相邻的-OH和-COOH的化合物制备专利检索查询-专利查询网

Process for the manufacture of new metallizable 4-hydroxy-5-carboxyphenyl-2:2'-dihydroxy-azo-dyestuffs
申请号	US78693059	申请日	1959-01-15	公开(公告)号	US3060167A	公开(公告)日	1962-10-23
申请人	DURAND & HUGUENIN AG;			发明人	FRANZ GRAF;
摘要
权利要求	1.AN AZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF AZO DYESTUFFS OF THE FORMULAA
说明书全文