Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688315 | Colored titaniferous coating pigment obtained as a flocculated by-product in a kaolin purification process | Mitchell J. Willis, Raymond H. Young | 1997-11-18 |
| 5645635 | Delaminated kaolin pigments, their preparation and use in paper filling applications | Saad Nemeh, Mitchell J. Willis, Joseph P. Berberich | 1997-07-08 |
| 5635089 | Ceramic, metal and composite materials having increased surface area | Rajiv Singh, Brij M. Moudgil, Deepika Bhattacharya | 1997-06-03 |
| 5603411 | Method for separating mixture of finely divided minerals | Danny L. Williams, George E. Gantt, Mitchell J. Willis | 1997-02-18 |