| 发明名称 |
FREMGANGSMAADE TIL FREMSTILLING AF ENTEN BETA-FORMEN AF ET CHLORFRIT KOBBERPHTALOCYANINPIGMENT ELLER DEN NAESTEN FULDSTAENDIGE ELLER FULDSTAENDIGE ALFA-FORM AF ET CHLORHOLDIGT KOBBERPHTHALOCYANINPIGMENT |
| 摘要 |
<p>A process for preparing an alpha or beta form copper phthalocyanine pigment which comprises dry milling a crude copper phthalocyanine followed by mixing with an aqueous emulsion comprising a liquid amine having from 3 to 20 carbon atoms which is insoluble in water or alkali and soluble in acid and a surfactant which is capable of emulsifying the liquid amine and subsequently acidifying the mixture to dissolve the amine.</p> |
| 申请公布号 |
DK152290(B) |
申请公布日期 |
1988.02.15 |
| 申请号 |
DK19770000727 |
申请日期 |
1977.02.18 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
ROBERT LANGLEY |
| 分类号 |
C09B67/20;C09B67/00;C09B67/18;C09B67/50;(IPC1-7):C09B67/12 |
主分类号 |
C09B67/20 |
| 代理机构 |
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代理人 |
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| 地址 |
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