Titanium oxide-containing aluminum oxide particles based on corundum melted in an electric arc furnace from calcined alumina, and a method for the production thereof
US9163128B2 · kind B2 · utility
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Key dates
| Filing date | Nov 23, 2012 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Nov 23, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/2272
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Titanium oxide-containing aluminum oxide particles are based on corundum melted in an electric arc furnace from calcined alumina. The particles may have an aluminum oxide content of less than 97.0% by weight, a titanium oxide content ranging from 1.3% by weight to 1.8% by weight, and a zirconium oxide content of ranging from 0.02% by weight to 0.1% by weight. The aluminum oxide particles may have an arithmetic mean compactness of less than 0.8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.