Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203918 | Method for forming aggregated kaolin pigment | — | 1993-04-20 |
| 5151124 | Method for forming aggregated kaolin pigment | — | 1992-09-29 |
| 4810578 | Surface modified pigments and methods for producing same and elastomers containing same | Paul I. Prescott | 1989-03-07 |
| 4810580 | Silicon nitride coated clays and method of preparation | — | 1989-03-07 |