发明名称 |
NANOPOROUS ULTRAFINE ALPHA-ALUMINA POWDERS AND FREEZE DRYING PROCESS OF PREPARING THE SAME |
摘要 |
The present invention provides nanoporous alpha-alumina powders comprising powder comprising interconnected alpha-alumina primary particles having an average particle size of less than about 100nm and an interpenetrated array of pores or voids. The invention also provides nanosized alpha-alumina powders comprising alpha-alumina particles having an average particle size of less than about 100 nm and slurries, particularly aqueous slurries, which comprise nanosized alpha-alumina powders of the invention. The invention further provides methods of manufacturing nanoporous alpha-alumina powders and nanosized alpha-alumina powders of the invention and methods of polishing using slurries of the invention. |
申请公布号 |
WO2004089828(A3) |
申请公布日期 |
2005.02.10 |
申请号 |
WO2004US10255 |
申请日期 |
2004.03.31 |
申请人 |
SAINT-GOBAIN CERAMICS & PLASTICS, INC.;WANG, YUHU |
发明人 |
WANG, YUHU |
分类号 |
C01F7/02;C09K3/14 |
主分类号 |
C01F7/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|