Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861209 | Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers | William J. Haskins | 1999-01-19 |
| 4831002 | Cr-promoted hydrotreating catalysts | Teh C. Ho, Larry E. McCandlish, Archie R. Young | 1989-05-16 |
| 4797200 | Upgrading heavy oils by solvent dissolution and ultrafiltration | — | 1989-01-10 |