Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981207 | Polymers useful as demulsifiers and clarifiers | — | 2018-05-29 |
| 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 |