Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350644 | Product for PFAS adsorption | Bo Wang, Thomas S. Cortner | 2025-07-08 |
| 12138576 | Product for metal adsorption | Bo Wang | 2024-11-12 |
| 11992822 | Thermally activated bleaching clay product for oil bleaching | Bo Wang, Scott K. Palm | 2024-05-28 |
| 11883772 | Product for metal adsorption | Bo Wang | 2024-01-30 |
| 11708307 | Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof | Robert J. Purcell, Matthew J. Lyman, Donald Keith Mills, John W. KITCHENS, Charles Pettit +1 more | 2023-07-25 |
| 11198646 | Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof | Robert J. Purcell, Matthew J. Lyman, Donald Keith Mills, John W. KITCHENS, Charles Pettit +1 more | 2021-12-14 |
| 10683242 | Thixotropic suspension agent for plant nutrients or animal feed supplements: composition, method of making, and use thereof | Steven B. Feldman, Jeffery N. Carr, Matthew J. Lyman, John W. KITCHENS, Luke Fuhrmann +1 more | 2020-06-16 |
| 9670011 | Method of transshipping solid particulates in an aqueous suspension of solid particulates using mineral suspending agent | Robert J. Purcell, Steven B. Feldman, Rudolph Coetzee | 2017-06-06 |
| 9573849 | Backfill, methods of making, and use thereof | Robert J. Purcell, Paul Fendley, Rudolph Coetzee, Steven B. Feldman | 2017-02-21 |
| 9511955 | Mineral suspending agent, method of making, and use thereof | Robert J. Purcell, Matthew J. Lyman, James M. Smith | 2016-12-06 |
| 9416052 | Concrete materials with modified rheology, methods of making, and uses thereof | Steven B. Feldman, Robert J. Purcell, Peter Tutbury, Paul Fendley, Rudolph Coetzee | 2016-08-16 |
| 7247263 | Fire-barrier composition | Anthony W. Carignano, David L. Ruff, Robert J. Purcell | 2007-07-24 |
| 6444601 | Purified attapulgite clay | Robert J. Purcell | 2002-09-03 |
| 6130179 | Purified attapulgite clay | Paul Sampson, David L. Ruff | 2000-10-10 |
| 5749936 | Method of producing dry granular fertilizer and soil amendments using clay slurry and dry chemicals | Robert D. Humphries, Delbert R. Dreese, Louis L. Taylor | 1998-05-12 |