| 发明名称 |
Production method of pigments |
| 摘要 |
<p>The present invention provides a process for converting a crude pigment into pigmentary form which comprises kneading the crude pigment in the presence of a liquid carboxylic acid and optionally a salt.</p> |
| 申请公布号 |
EP0780446(B1) |
申请公布日期 |
2001.07.11 |
| 申请号 |
EP19960309202 |
申请日期 |
1996.12.17 |
| 申请人 |
CIBA SPECIALTY CHEMICALS HOLDING INC. |
发明人 |
KERWIN, PAUL;LANGLEY, ROBERT;WALLS, ARTHUR STARK |
| 分类号 |
C09B67/20;C09B67/14;C09B67/16;(IPC1-7):C09B67/14 |
主分类号 |
C09B67/20 |
| 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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