发明名称 |
NANOSCALE ZINC OXIDE, PROCESS FOR ITS PRODUCTION AND USE |
摘要 |
Nanoscale, pyrogenically produced zinc oxide having a BET surface area of 10 to 200 m2/g, which is in the form of aggregates of anisotropic primary particles and whereby the aggregates display an average diameter of 50 to 300 nm. It is obtained from zinc powder, which is converted to zinc oxide powder in the four successive reaction zones, evaporation zone, nucleation zone, oxidation zone and quench zone. It can be used in sunscreen formulations. |
申请公布号 |
EP1490301(A1) |
申请公布日期 |
2004.12.29 |
申请号 |
EP20030708205 |
申请日期 |
2003.03.10 |
申请人 |
DEGUSSA AG |
发明人 |
KATUSIC, STIPAN;MICHAEL, GUENTHER;KRESS, PETER;VARGA, GEOFFREY, J.;STAAB, EDWIN;WEBER, WINFRIED |
分类号 |
B82B1/00;A61K8/27;A61Q17/04;C01G9/03;(IPC1-7):C01G9/03 |
主分类号 |
B82B1/00 |
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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