Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139617 | Titanium dioxide pigments | Frances K. Tyler, David A. Doherty | 2000-10-31 |
| 5976237 | Pigment process for durable pigments | Fran Tyler | 1999-11-02 |
| 5908498 | Process for preparing an improved low-dusting, free-flowing pigment | James W. Kauffman, Phillip M. Story | 1999-06-01 |
| 5733365 | Process for preparing an improved low-dusting, free-flowing pigment | Phillip M. Story, James W. Kauffman, Kelly A. Green | 1998-03-31 |
| 5332433 | Titanium dioxide dispersibility | Phillip M. Story, Kelly A. Green | 1994-07-26 |
| 4406663 | Process for concentration of slurries comprising insoluble coal products | Roger A. Baldwin, Ron S. Henke | 1983-09-27 |