Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055209 | Reduction of the viscosity of solutions viscosified with Xanthan gum polymers | Kerry L. Kalinski | 1991-10-08 |
| 4938288 | Non-damaging workover and completion fluid | — | 1990-07-03 |