Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8257608 | Process and composition for froth flotation | Paul A. Filler | 2012-09-04 |
| 8136669 | Process and composition for froth flotation | Paul A. Filler | 2012-03-20 |
| 5569325 | Process for growing crystals | David A. Barclay, Lewis B. Decker, Jr., William R. Carradine | 1996-10-29 |
| 5316752 | Process for preparing mixed oxides | Ronald L. Beggs, David A. Barclay | 1994-05-31 |
| 5075090 | Process for preparing small particle size mixed metal oxides | Galen K. Madderra | 1991-12-24 |
| 4744974 | Process for production of alumina | William H. McNeese | 1988-05-17 |
| 4617183 | Production and recovery of alumina from vapor phase hydrolysis of aluminum trialkoxides | William H. McNeese | 1986-10-14 |