Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7585822 | Emulsifier blends for lubricating oils | Michael Costello, Zhaopeng Li, Ronald J. Muir, Igor Riff | 2009-09-08 |
| 6225267 | Sodium sulfonate blends as emulsifiers for petroleum oils | Alan D. Eckard, Igor Riff | 2001-05-01 |