| 11565940 |
White functional additives derived from filtration spent cake containing diatomite |
Scott K. Palm, Andrew R. Welford, George A. Nyamekye, Kara Linn Evanoff |
2023-01-31 |
| 11511220 |
Ultra-high purity, ultra-high performance diatomite filtration media |
George A. Nyamekye, Scott K. Palm, Qun Wang |
2022-11-29 |
| 11243177 |
Opaline flux-calcined diatomite products |
Scott K. Palm, George A. Nyamekye, Bradley Scott Humphreys, Qun Wang |
2022-02-08 |
| 10908102 |
Methods of determining the mineralogy of calcined and flux-calcined diatomite |
Scott K. Palm, George A. Nyamekye, Bradley Scott Humphreys, Qun Wang |
2021-02-02 |
| 10391433 |
Opaline biogenic silica/expanded perlite composite products |
Qun Wang, Scott K. Palm |
2019-08-27 |
| 9095842 |
Diatomaceous earth filter aid containing a low crystalline silica content |
Michael J. Nannini, Wilson Kamau Wanene, Chongjun Jiang |
2015-08-04 |
| 8084392 |
Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same |
Michael J. Nannini, James S. Shui |
2011-12-27 |
| 5878374 |
Computer-controlled electromechanical device for determining filtration parameters of a filter aid |
Thomas A. Buchanan |
1999-03-02 |