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US 2025/0145532 A1Published application
Alumina-based fused grain
OwnerNadia FREDERICHinventor
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Abstract
A fused grain is provided with the following chemical composition, expressed in weight percent on the basis of the oxides: MgO: 2.5% to 5.8%; Cr2O3: 0.2% to 4.5%; oxides other than MgO, Cr2O3 and Al2O3: ≤1.5%; Al2O3: remainder up to 100%.
Claims33
A fused grai comprising the following chemical analysis, as weight percentages based on the oxides:
- MgO:
- 2.5% to 5.8%;
- Cr2O3:0.2% to 4.5%;
- oxides other than MgO, Cr2O3 and Al2O3:
- ≤1.5%;
- and
- Al2O3:
- balance to 100%.
5 more elements
Dependencies are inferred from the claim text.