Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942031 | Lignosulfonate-acrylic acid graft copolymers as sacrificial agents for carbon dioxide foaming agents | George Kalfoglou, Grover S. Paulett | 2005-09-13 |
| 5632336 | Method for improving injectivity of fluids in oil reservoirs | Phillip K. Notz, James F. Stevens | 1997-05-27 |