Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988621 | Pigment for paper and coatings | Ashok Khokhani, Richard Berube, Sharad Mathur, Anthony N. Lake | 2021-04-27 |
| 10253186 | Pigment for paper and coatings | Ashok Khokhani, Richard Berube, Sharad Mathur, Anthony N. Lake | 2019-04-09 |
| 9903072 | Compositions comprising kaolin treated with a styrene-based polymer and related methods | Robert J. Pruett, Paul MEIZANIS | 2018-02-27 |
| 8545787 | Method of treating an aqueous suspension of kaolin | Robert J. Pruett, Jim Richardson, William Limousin, Jun Yuan | 2013-10-01 |
| 8501030 | Methods for purifying kaolin clays using reverse flotation, high brightness kaolin products, and uses thereof | Mikel Dean Smith, Robert J. Pruett | 2013-08-06 |
| 8016936 | Methods of calcining particulate material | Robert J. Pruett | 2011-09-13 |