Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514333 | Preparation and use of high brightness kaolin pigments | Jun Yuan, Vince Brown, Sr., Robert J. Pruett | 2003-02-04 |
| 6468343 | Engineered kaolin pigment composition for paper coating | Robert J. Pruett, David Cummings, Anthony Lyons, Steven M. Fortier, Daniel J. Panfil +1 more | 2002-10-22 |
| 6402826 | Kaolin clay pigment for paper coating and method for producing same | Jun Yuan, Christopher R. L. Golley, Christopher Nutbeem, Rajan R. Iyer, William H. Pope +2 more | 2002-06-11 |
| 6315867 | Dispersing agents and their use | David Robert Skuse, Shih-Ruey T. Chen, Gary F. Matz | 2001-11-13 |
| 6149723 | Engineered kaolin pigment composition for paper coating | Robert J. Pruett, Anthony Lyons, David Cummings, Steven M. Fortier, Jun Yuan +1 more | 2000-11-21 |
| 6068693 | Method for separating mixture of finely divided minerals and product thereof | Robert J. Pruett, Dona L. Archer, Jun Yuan, Michael J. Garska, H. Vince Brown | 2000-05-30 |
| 5713998 | Method for producing high opacifying kaolin pigment | Dickey S. Shurling, Teresa Anderson Rhodes, Connie Carol Brown, Ronald Wayne Underwood, Anthony Allan May | 1998-02-03 |