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经营范围
发明名称
Heterocyclic pigments
摘要
A compound of formula I <IMAGE> in which each R1 independently is selected from oxygen, =NH or =N-R2 where R2 is an aromatic or heteroaromatic group, provided not more than two groups R1 are selected from oxygen and =NH.
申请公布号
HK79595(A)
申请公布日期
1995.06.01
申请号
HK19950000795
申请日期
1995.05.25
申请人
SANDOZ LTD.
发明人
PETER BITTERLI;BANSI LAI KAUL
分类号
C08K5/3412;C08K5/3417;C09B57/00;C09B57/08
主分类号
C08K5/3412
代理机构
代理人
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地址
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