发明名称 |
Layered alumina-based abrasive grit abrasive products, and methods |
摘要 |
Alumina-based abrasive material having at least an internal layer is provided. Preferably, the abrasive material results from co-extrusion of at least two different sols. In some preferred processing, steps to provide multiple internal layers are conducted.
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申请公布号 |
US6264710(B1) |
申请公布日期 |
2001.07.24 |
申请号 |
US20000566204 |
申请日期 |
2000.05.05 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
ERICKSON DWIGHT D. |
分类号 |
B24D3/06;B24D3/14;B24D3/20;B24D11/00;C09C1/68;C09K3/14;(IPC1-7):C09C1/68;B29C47/06 |
主分类号 |
B24D3/06 |
代理机构 |
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代理人 |
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主权项 |
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