Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815790 | Upgrade of visbroken residua products by ultrafiltration | Daniel P. Leta, Leo D. Brown, David T. Ferrughelli, Stephen M. Cundy, MaryKathryn Lee +1 more | 2010-10-19 |