专利检索 ap:"Hans Wasem" 第 1 页

1.

发明授权
Azo pigments having two 2-halo-5-trifluoromethylphenyl diazo component radicals and a bis-(2-hydroxynaphthoyl-3-amino)-2,5-dihalobenzene coupling component radical 失效
标题翻译：具有两个2-卤代-5-三氟甲基苯基重氮组分基团和双 - （2-羟基萘甲酰基-3-氨基）-2,5-二卤代苯偶联组分基团的偶氮颜料

公开(公告)号：US4051121A

公开(公告)日：1977-09-27

申请号：US630810

申请日：1975-11-11

申请人： Boris Tcherkinsky , Hans Wasem

发明人： Boris Tcherkinsky , Hans Wasem

IPC分类号： C09B33/147 , C09B43/38 , C09B33/14 , C09B43/12

CPC分类号： C09B33/147 , C09B43/38

摘要： Disclosed are pigments of the formula I, ##STR1## in which the X's, R.sub.1 and R.sub.2, independently, signify a fluorine, chlorine or bromine atom. They are useful, for example, for the pigmentation of synthetic polymers in the mass, in emulsion paints, printing inks and viscose and cellulose acetate spinning solutions and for dyeing paper in the stock.

摘要翻译： 公开了式I的颜料，其中X，R 1和R 2独立地表示氟，氯或溴原子。它们例如用于质量合成聚合物，乳液涂料，印刷油墨，粘胶纤维素和醋酸纤维素纺丝溶液以及用于在原料中染色纸的着色。