Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845057 | Diatomaceous earth product and method for making product | — | 2023-12-19 |
| 11806690 | Acid-treated filter aid blend | Larisa Tihomirov | 2023-11-07 |
| 10913049 | Compositions and methods for producing high purity filter aids | Robert J. Fleming, Nicholas Jose, Bo Wang | 2021-02-09 |
| 10864497 | Acid-treated filter aid blend | Larisa Tihomirov | 2020-12-15 |
| 10850257 | Diatomaceous earth product and method for making product | — | 2020-12-01 |
| 7767621 | Processes for reducing beer soluble iron in diatomaceous earth products, diatomaceous earth products and compositions thereof, and methods of use | Qun Wang, Timothy R. Smith | 2010-08-03 |
| 6653255 | Highly purified biogenic silica product | Jerome C. Shiuh, Scott K. Palm, Timothy R. Smith, George A. Nyamekye, Qun Wang | 2003-11-25 |
| 5656568 | Highly purified biogenic silica product | Jerome C. Shiuh, Scott K. Palm, Timothy R. Smith, George A. Nyamekye, Qun Wang | 1997-08-12 |