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经营范围
发明名称
Chromogenic quinazolines
摘要
Chromogenic quinazolines are disclosed. These compounds are particularly suitable for use as color formers in pressure-sensitive or heat-sensitive recording materials and give lightfast yellow, orange and red colorations.
申请公布号
US4435003(A)
申请公布日期
1984.03.06
申请号
US19820421205
申请日期
1982.09.22
申请人
CIBA-GEIGY CORPORATION
发明人
FLETCHER, IAN J.
分类号
B41M5/136;B41M5/323;C07D239/74;C07D239/86;C07D239/91;C07D239/94;C09B57/00;(IPC1-7):B41M5/16;B41M5/18;B41M5/22
主分类号
B41M5/136
代理机构
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