Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9884982 | Abrasive grain based on melted spherical corundum | — | 2018-02-06 |
| 9163128 | 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 | Andreas Boerger, Alexander Kral | 2015-10-20 |
| 8834588 | Polycrystalline AL2O3 bodies based on melted aluminum oxide | — | 2014-09-16 |
| 8323792 | Spherical corundum particles, based on fused aluminum oxide and a method for producing said particles | Jean Andre Alary | 2012-12-04 |
| 7654323 | Electrofused proppant, method of manufacture, and method of use | Jean Andre Alary, Thomas Parias | 2010-02-02 |