Abrasive articles including abrasive particulate materials, coated abrasives using the abrasive particulate materials and methods of forming
US9517546B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Sep 26, 2012 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Sep 26, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An abrasive particulate material which is made of alumina crystals and a primary additive composition impregnated within the abrasive particulate material, the primary additive composition including a combination of Mg and Ca, wherein Mg and Ca are present in an additive ratio [Mg:Ca] within a range between about 1:1 and about 10:1, and a Ca amount is at least about 0.2 wt % Ca for the total weight of the abrasive particulate material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.