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公开(公告)号:US3926987A
公开(公告)日:1975-12-16
申请号:US49378074
申请日:1974-08-01
Applicant: BASF AG
Inventor: DIMROTH PETER , RADTKE VOLKER
IPC: C09B19/02 , C09B57/08 , C07D265/00 , C07D273/00 , C07D295/00
Abstract: IN WHICH A is o-phenylene, o-naphthylene or peri-naphthylene which may bear substituents which do not impart solubility in water; X is chloro or bromo; and Y is halogen, phenoxy alkyl or alkoxy of one to four carbon atoms. These dioxazine dyes are pigments and give violet colorations for example in surface coatings or plastics; they have excellent fastness to light, weathering and solvents. The dyes are also stable to high temperature.
A dioxazine dye of the formula:Abstract translation: 下式的二恶嗪染料: