Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8003574 | Inhibiting naphthenate solids and emulsions in crude oil | Piyush B. Srivastava, Christopher Gallagher, Samuel Asomaning, Paul R. Hart | 2011-08-23 |
| 7938183 | Method for enhancing heavy hydrocarbon recovery | Paul R. Hart, Brian J. Stefan, Piyush B. Srivastava | 2011-05-10 |