| 发明名称 |
METHOD FOR TREATING THE SURFACE OF A TITANIUM DIOXIDE PIGMENT |
| 摘要 |
Producing a surface-treated titanium dioxide pigment comprises adding aluminum and phosphorus components to a titanium dioxide suspension while maintaining a pH of at least 10, and adding an acidic component to lower the pH below 9. - An INDEPENDENT CLAIM is also included for a surface-treated titanium dioxide pigment produced as above. |
| 申请公布号 |
EP1646692(A1) |
申请公布日期 |
2006.04.19 |
| 申请号 |
EP20040740357 |
申请日期 |
2004.06.26 |
| 申请人 |
KRONOS INTERNATIONAL, INC. |
发明人 |
DREWS-NICOLAI, LYDIA;BLUEMEL, SIEGFRIED;JUERGENS, VOLKER;SCHMITT, VOLKER |
| 分类号 |
C09C1/36;D21H17/67;D21H17/69;(IPC1-7):C09C1/36 |
主分类号 |
C09C1/36 |
| 代理机构 |
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