| 发明名称 |
grão abrasivo revestido, ferramenta abrasiva e processo de fabricação de grãos revestidos |
| 摘要 |
A coated grain is provided with a fused base grain at least partially covered with a coating that includes silica. The base grain includes more than 40% of alumina as a percentage by weight based on the weight of the base grain. |
| 申请公布号 |
BRPI0909500(A2) |
申请公布日期 |
2015.12.22 |
| 申请号 |
BR2009PI09500 |
申请日期 |
2009.03.19 |
| 申请人 |
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN |
发明人 |
SAMUEL MARLIN;SYLVAIN PETIGNY |
| 分类号 |
C04B35/117;C04B35/628;C09K3/14 |
主分类号 |
C04B35/117 |
| 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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