Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083814 | Quaternary ammonium salt of a mannich compound | Paul R. Stevenson, Jonathan S. Vilardo | 2011-12-27 |
| 8076378 | Dispersants | — | 2011-12-13 |
| 8076409 | Dispersant and compositions thereof | Neil L. Simpson | 2011-12-13 |
| 7951211 | Quaternary ammonium salt detergents for use in fuels | William R. S. Barton, Mark C. Davies, David J. Moreton, Paul R. Stevenson | 2011-05-31 |
| 7947093 | Quaternary ammonium salt detergents for use in fuels | William R. S. Barton, Mark C. Davies, David J. Moreton, Paul R. Stevenson | 2011-05-24 |
| 7906470 | Quaternary ammonium salt of a Mannich compound | Paul R. Stevenson, Jonathan S. Vilardo | 2011-03-15 |
| 7872070 | Compositions | — | 2011-01-18 |