Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780822 | Anhydride-modified chitosan, method of preparation thereof, and fluids containing same | Roy F. House, Tammy L. Rodrigue | 2004-08-24 |
| 6739414 | Compositions and methods for sealing formations | Tommy F. Brookey, Mike Kilchrist | 2004-05-25 |