Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112782 | Cationically processed calcined kaolin clay | Steven A. Brown | 1992-05-12 |
| 5061461 | Cationic processing of kaolin ores | Steven A. Brown | 1991-10-29 |
| 5006574 | Cationcally dispersed slurries of calcined kaolin clay | Steven A. Brown | 1991-04-09 |
| 4859246 | Use of high molecular weight sulfonate as auxiliary dispersants for structured kaolins | — | 1989-08-22 |
| 4772332 | Use of mixture of high molecular weight sulfonates as auxiliary dispersant for structured kaolins | Saad Nemeh, Richard A. Slepetys | 1988-09-20 |