Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688621 | Process for preparing an internal olefin sulfonate | Julian Richard Barnes, Hendrik Dirkzwager, Robert Moene | 2017-06-27 |
| 9284481 | Method and composition for enhanced oil recovery | Julian Richard Barnes, Hendrik Dirkzwager, Quoc An On, Johan Paul Smit | 2016-03-15 |
| 8940668 | Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation | Julian Richard Barnes, Kirk Herbert Raney, Thomas Carl Semple, Paul Gregory Shpakoff, Johan Paul Smit | 2015-01-27 |
| 8759261 | Method and composition for enhanced hydrocarbons recovery | Julian Richard Barnes, Kirk Herbert Raney, Thomas Carl Semple, Paul Gregory Shpakoff, Johan Paul Smit | 2014-06-24 |