发明名称 |
Process for improving storage stability of pigments. |
摘要 |
<p>A process for improving the storage stability of a coloured organic pigment in powder form which comprises coating pigment particles with a partially or completely hydrolysed compound of an element of Group IVA or Group IVB of the Periodic Table in its IV oxidation state, thereby inhibiting reduction of the tinting strength of the pigment on storage.</p> |
申请公布号 |
EP0528601(A1) |
申请公布日期 |
1993.02.24 |
申请号 |
EP19920307234 |
申请日期 |
1992.08.07 |
申请人 |
CIBA-GEIGY AG |
发明人 |
BUGNON, PHILIPPE;IQBAL, ABUL;FRASER, IAIN FRANK;TSAI, WERN TUNG |
分类号 |
C08K9/00;C08L101/00;C09B67/08;C09B67/20 |
主分类号 |
C08K9/00 |
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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