Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407464 | Ultrafine comminution of mineral and organic powders with the aid of metal-carbide microspheres | — | 1995-04-18 |
| 5378399 | Functional complex microgels with rapid formation kinetics | — | 1995-01-03 |
| 5346546 | Aggregate-TiO.sub.2 pigment products | — | 1994-09-13 |
| 5312484 | TiO.sub.2 -containing composite pigment products | — | 1994-05-17 |
| 5279663 | Low-refractive-index aggregate pigments products | — | 1994-01-18 |
| 5116418 | Process for making structural aggregate pigments | — | 1992-05-26 |
| 4241142 | Clay pigment for coating paper | Richard Berube, John C. Nease | 1980-12-23 |