Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891236 | Process for improving the color and brightness of discolored goethite-containing materials | Randy K. Hall | 1999-04-06 |
| 5830818 | Process for the microwave beneficiation of discolored kaolin clay materials | Jeffrey C. Bruns, Susan A. Lewis | 1998-11-03 |
| 5647895 | Reduction of microorganisms in kaolin clay slurries | Sharon M. Drew, Jeffrey C. Bruns | 1997-07-15 |
| 5496398 | Reduction of microorganisms in kaolin clay slurries | Sharon M. Drew, Jeffrey C. Bruns | 1996-03-05 |