发明名称 |
2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]-benzoic acid and a process for its preparation |
摘要 |
The present invention is directed to 2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxo-propyl]azo]-benzoic acid (C.I. Pigment Yellow 151): (I), characterized by a &Dgr;E* (black/white) in masstone below 22.0±0.7, a process for its preparation and its use for pigmenting macromolecular organic materials of natural or synthetic origin. The pigment has high opacity and high color strength.
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申请公布号 |
US7923540(B2) |
申请公布日期 |
2011.04.12 |
申请号 |
US20070087834 |
申请日期 |
2007.01.08 |
申请人 |
BASF SE |
发明人 |
REICHERT HANS;HUEGIN MAX;VEITH ULRICH;SODER SIBYLLE;EICHENBERGER THOMAS |
分类号 |
C09B29/32;C09B29/03;C09B41/00;C09B67/48 |
主分类号 |
C09B29/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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