Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11633713 | Ultra-high performance and high purify biogenic silica filtration media | Scott K. Palm | 2023-04-25 |
| 11565940 | White functional additives derived from filtration spent cake containing diatomite | Scott K. Palm, Peter E. Lenz, Andrew R. Welford, Kara Linn Evanoff | 2023-01-31 |
| 11511220 | Ultra-high purity, ultra-high performance diatomite filtration media | Scott K. Palm, Peter E. Lenz, Qun Wang | 2022-11-29 |
| 11243177 | Opaline flux-calcined diatomite products | Peter E. Lenz, Scott K. Palm, Bradley Scott Humphreys, Qun Wang | 2022-02-08 |
| 10908102 | Methods of determining the mineralogy of calcined and flux-calcined diatomite | Peter E. Lenz, Scott K. Palm, Bradley Scott Humphreys, Qun Wang | 2021-02-02 |
| 10066197 | Composition for filtering and removing particles and/or constituents from a fluid | Qingchun Hu, Robert H. Rees, Niels S. Mastrup, Larisa Tihomirov, Walter N. Pavlakovich | 2018-09-04 |
| 8410017 | Filter aids made from low permeability diatomites | Joseph Levay, John Roulston, John Edgar Menear | 2013-04-02 |
| 6653255 | Highly purified biogenic silica product | Jerome C. Shiuh, Scott K. Palm, Timothy R. Smith, Jeffrey D. Taniguchi, Qun Wang | 2003-11-25 |
| 5656568 | Highly purified biogenic silica product | Jerome C. Shiuh, Scott K. Palm, Timothy R. Smith, Jeffrey D. Taniguchi, Qun Wang | 1997-08-12 |