发明名称 |
SEHR FEINE EISEN, ENTHALTENDE RUTIL-TITANOXID- TEILCHEN UND VERFAHREN ZU SEINER HERSTELLUNG |
摘要 |
Ultrafine iron-containing rutile titanium dioxide particles useable as ultraviolet-barrier cosmetics, medicinal compositions, coating materials and so forth, having an average single particle diameter of 0.01-0.1 mu m, and containing an iron component in the crystal grain thereof in an amount of 1-15 wt.% in terms of Fe based on titanium dioxide. The production process comprises coating the surface of titania of a minute titania sol having a rutile nucleus as the base particle by depositing an iron oxide or hydrated oxide on the surface, followed by firing and pulverization. |
申请公布号 |
AT275096(T) |
申请公布日期 |
2004.09.15 |
申请号 |
AT19940902110T |
申请日期 |
1993.12.13 |
申请人 |
ISHIHARA SANGYO KAISHA, LTD. |
发明人 |
OKUDA, HARUO;FUTAMATA, HIDEO;SAKAI, AKIHITO;HATTORI, MASAKAZU Y |
分类号 |
A61K8/29;A61Q17/04;C01G23/047;C01G49/00;(IPC1-7):C01G49/00;C09C1/36;A61K7/42 |
主分类号 |
A61K8/29 |
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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