Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733365 | Process for preparing an improved low-dusting, free-flowing pigment | John E. Halko, Phillip M. Story, James W. Kauffman | 1998-03-31 |
| 5700318 | Durable pigments for plastic | John R. Brand | 1997-12-23 |
| 5332433 | Titanium dioxide dispersibility | Phillip M. Story, John E. Halko | 1994-07-26 |
| 5203916 | Titanium dioxide pigment and method of preparation | Thomas Ian Brownbridge | 1993-04-20 |