| 6387500 |
Multi-layered coatings and coated paper and paperboards |
— |
2002-05-14 |
| 5938833 |
Chemical process for fractionating mineral particles based on particle size |
Mitchell J. Willis, Raymond H. Young |
1999-08-17 |
| 5922207 |
Filter aid for clay processing |
Mitchell J. Willis, Raymond H. Young |
1999-07-13 |
| 5749958 |
Delaminated kaolin pigments their preparation and use in paper coating |
Saad Nemeh, Mitchell J. Willis, Joseph P. Berberich |
1998-05-12 |
| 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 |
| 5584394 |
Colored titaniferous coating pigment obtained as a flocculated by-product in a kaolin purification process |
Mitchell J. Willis, Raymond H. Young |
1996-12-17 |
| 5537934 |
Cationically stabilized slurries of calcined kaolin clay |
Amy S. Jensen, Paul R. Suitch |
1996-07-23 |
| 5535890 |
Method for separating mixture of finely divided minerals |
Mitchell J. Willis, Raymond H. Young |
1996-07-16 |
| 5473138 |
Method for increasing the surface area of ceramics, metals and composites |
Rajiv Singh, Brij M. Moudgil, Deepika Bhattacharya |
1995-12-05 |