Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777480 | Networked polymer/clay alloy | John Donald Payzant | 2004-08-17 |
| 6737472 | Reinforced networked polymer/clay alloy composite | John Donald Payzant, Walter van Woudenberg | 2004-05-18 |
| 6720292 | Controlling fluid flow in a subterranean formation with a reinforced clay gel | Bernard Tremblay, Brian Wayne Wiwchar | 2004-04-13 |