发明名称 |
Particulate metal oxide |
摘要 |
A particulate metal oxide having a mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency. |
申请公布号 |
US2003223940(A1) |
申请公布日期 |
2003.12.04 |
申请号 |
US20020324082 |
申请日期 |
2002.12.20 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIAL PLC |
发明人 |
DRANSFIELD GRAHAM PAUL;CUTTER SUSAN;LYTH PHILIP LAURENCE |
分类号 |
A61K8/00;A61K8/04;A61K8/11;A61K8/29;A61Q17/04;C01B13/14;C01G23/04;C01G23/053;C09C1/36;C09C1/62;C09C3/06;C09C3/08;C09D17/00;(IPC1-7):A61K7/42 |
主分类号 |
A61K8/00 |
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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