Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942031 | Lignosulfonate-acrylic acid graft copolymers as sacrificial agents for carbon dioxide foaming agents | George Kalfoglou, John Prieditis | 2005-09-13 |
| 5251698 | Method of using lignosulfonate-acrylic acid graft copolymers as sacrificial agents for surfactant flooding | George Kalfoglou | 1993-10-12 |