Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043999 | Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes | Philip F. Sullivan, Gary John Tustin | 2011-10-25 |
| 7748452 | Polymeric microspheres as degradable fluid loss additives in oilfield applications | Philip F. Sullivan, Gary John Tustin, Bruno Drochon, Marie Noelle Dessinges, Gregory Kubala | 2010-07-06 |