Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9550957 | Functional fluids comprising alkyl toluene sulfonates | Christine Gandon, Pierre Tequi, Stephanie Palotiai, Michael Shrout | 2017-01-24 |
| 8993499 | Low temperature performance lubricating oil detergents and method of making the same | Curt B. Campbell, Eugene E. Spala, Gilbert R. Chapon | 2015-03-31 |
| 8933002 | Lubricating oil compositions | Curt B. Campbell, Hélène Lecroq, Eugene E. Spala | 2015-01-13 |
| 8916726 | Method for the preparation of low overbased alkyltoluene sulfonate | Pierre Tequi, Curt B. Campbell, Christine Gandon, Kyle J. Frederic, Eugene E. Spalla | 2014-12-23 |
| 8778856 | Low temperature performance lubricating oil detergents and method of making the same | Curtis B. Campbell, Jean-Louis Le Coent, Jan Anthony Burval | 2014-07-15 |
| 8580717 | Process for making an overbased, sulfurized salt of an alkylated hydroxyaromatic compound | Thomas F. Buckley, III, Charles Michael Cisson | 2013-11-12 |
| 8524965 | Method of making an alkylated aromatic using acidic ionic liquid catalyst | Curt B. Campbell, Thomas V. Harris | 2013-09-03 |
| 8354566 | Lubricating oil additive and lubricating oil composition containing same | Michael R. Adams | 2013-01-15 |
| 8183192 | Lubricating oil additive and lubricating oil composition containing same | Michael R. Adams | 2012-05-22 |
| 8148591 | Method of making a synthetic alkylaryl compound | Curt B. Campbell | 2012-04-03 |
| 7964745 | Method of making a synthetic alkylaryl sulfonate | Curt B. Campbell | 2011-06-21 |
| 7868209 | Process for making borated alkaline earth metal toluene sulfonates | Perla Duchesne, John McDonald, Pierre Tequi | 2011-01-11 |
| 7598414 | Method of making a synthetic alkylaryl sulfonate | Curt B. Campbell | 2009-10-06 |
| 7495140 | Method of making a synthetic alkylaryl compound | Curt B. Campbell | 2009-02-24 |
| 7468343 | Alkylxylene sulfonates for enhanced oil recovery processes | Curt B. Campbell | 2008-12-23 |
| 7449596 | Method of making a synthetic petroleum sulfonate | Curt B. Campbell, Thomas V. Harris | 2008-11-11 |
| 7332460 | Alkylxylene sulfonates for enhanced oil recovery processes | Curt B. Campbell | 2008-02-19 |
| 7091306 | Process for preparing polyalkenylsuccinimides | Mohammed Heddadj, William R. Ruhe, Jr. | 2006-08-15 |
| 6989355 | Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes | Curt B. Campbell | 2006-01-24 |