Invention Grant
US4055559A Disazo pigment containing at least 2 chlorine atoms and process for
their manufacture
失效
含有至少2个氯原子的双偶氮颜料及其制造方法
- Patent Title: Disazo pigment containing at least 2 chlorine atoms and process for their manufacture
- Patent Title (中): 含有至少2个氯原子的双偶氮颜料及其制造方法
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Application No.: US620689Application Date: 1975-10-08
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Publication No.: US4055559APublication Date: 1977-10-25
- Inventor: Georg Cseh , Willy Mueller
- Applicant: Georg Cseh , Willy Mueller
- Applicant Address: NY Ardsley
- Assignee: Ciba-Geigy Corporation
- Current Assignee: Ciba-Geigy Corporation
- Current Assignee Address: NY Ardsley
- Priority: CH13313/71 19710910
- Main IPC: C09B33/153
- IPC: C09B33/153 ; C09B33/14
Abstract:
A disazo pigment of the formula ##STR1## WHEREIN X and Y are hydrogen, chlorine, alkyl of 1 - 4 C-atoms or one of X and Y can be alkoxy of 1 - 4 C-atoms and Z is chlorine or methyl, which is useful for pigmenting high molecular organic material and shows excellent fastness to light and weather.
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