Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7806978 | Fine platy kaolin composition | Robert J. Pruett, Jun Yuan, Roger W. Wygant, Anthony Lyons | 2010-10-05 |
| 7226005 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness | J. Philip E. Jones, Robert J. Pruett, Jun Yuan, Michael J. Garska, David Cummings +1 more | 2007-06-05 |
| 7214264 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness | J. Philip E. Jones, Robert J. Pruett, Jun Yuan, Michael J. Garska, David Cummings +1 more | 2007-05-08 |
| 7208039 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness | J. Philip E. Jones, Robert J. Pruett, Jun Yuan, Michael J. Garska, David Cummings +1 more | 2007-04-24 |
| 6554892 | Compositions and methods for making a coarse platey, high brightness kaolin product | John A. Manasso, Leslie A. McLain, Milton Constantin | 2003-04-29 |
| 6312511 | Kaolin clays and methods of making and using same | John A. Manasso, Mark S. Willis | 2001-11-06 |
| 6006920 | Brightness, reduced impurity clays and methods of making same | Mark S. Willis | 1999-12-28 |
| 5223463 | Process for producing a kaolin clay product | William E. Thompson | 1993-06-29 |
| 4693427 | Method for improving handleability of calcined kaolin clay products | Herbert I. Lewis, Jerry A. Cook, Ralph E. Turner, Jr., Robert H. Garner | 1987-09-15 |
| 4593860 | Method for improving handleability of calcined kaolin clay products | Jerry A. Cook, Robert H. Garner, Ralph E. Turner, Jr. | 1986-06-10 |
| 4561597 | Method for improving handleability of calcined kaolin clay products | Jerry A. Cook, Robert H. Garner, Ralph E. Turner, Jr. | 1985-12-31 |
| 4518491 | Beneficiation of clays by froth flotation | Anthony Allan May | 1985-05-21 |