Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696378 | Fluid catalytic cracking catalyst manufacturing process | Clark W. Gibson, Mitchell J. Willis, Robert E. Barnes, David Stockwell | 2004-02-24 |
| 5753029 | Method for bleaching kaolin clay | Gerald D. Smith | 1998-05-19 |
| 5603411 | Method for separating mixture of finely divided minerals | Danny L. Williams, Sanjay Behl, Mitchell J. Willis | 1997-02-18 |
| 5358120 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation | Thomas J. Adkisson, Preston B. Gladin, Randall E. Ussery, Jr. | 1994-10-25 |
| 5342443 | Method for bleaching kaolin clay | Ellen S. Forbus, Mitchell J. Willis, Raymond H. Young | 1994-08-30 |
| 5311997 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation | Thomas J. Adkisson, Preston B. Gladin, Randall E. Ussery, Jr. | 1994-05-17 |