| 发明名称 |
Beschichtete SiO2-Teilchen |
| 摘要 |
Spherical SiO2 particles with a size of from 5 to 500 nm coated at individual points with TiO2, Fe2O3 or ZrO2 particles with a size of less than 60 nm. The coated SiO2 particles can be aftercoated with silanes or further metal oxides. The products obtained are used for pigmenting paints, printing inks, plastics and coatings or as sunscreen agents. |
| 申请公布号 |
DE69723347(T2) |
申请公布日期 |
2004.04.15 |
| 申请号 |
DE1997623347T |
申请日期 |
1997.04.10 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
NOGUCHI, TAMIO;IWASA, KAZUHISA;ANSELMANN, DR.;KNAPP, MARTIN;LOCH, MANUELA |
| 分类号 |
C01B33/18;A61K8/11;A61K8/19;A61K8/25;A61K8/28;A61K8/29;A61Q17/04;C08K3/36;C08K9/02;C08K9/06;C09C1/30;C09D7/12;C09D11/02;(IPC1-7):C09C1/30;C09D11/00;A61K7/42;A61K7/00;C09C3/12;C09C3/06 |
主分类号 |
C01B33/18 |
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