Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770641 | Method for enhancing oil recovery with an improved oil recovery surfactant | Varadarajan Dwarakanath, Tanmay Chaturvedi, Theresa Ann Denslow, Adam C. Jackson, Taimur Malik +2 more | 2010-08-10 |
| 7435709 | Linear alkylphenol derived detergent substantially free of endocrine disruptive chemicals | Peter Michael Stonebraker, Linda Susan Gordon Roberts | 2008-10-14 |
| 6670513 | Process for producing alkylated hydroxyl-containing aromatic compounds | Jean-Louis Le Coent | 2003-12-30 |
| 6551967 | Low overbased alkylaryl sulfonates | William F. King, Olivier Clement, Jean-Louis Le Coent, Steven G. Lockett, Richard J. Nelson +1 more | 2003-04-22 |
| 6410491 | Polyalkenyl sulfonates | James J. Harrison | 2002-06-25 |
| 6368370 | Fuel compositions containing hydroxyalkyl-substituted amines | Edward T. Sabourin, Thomas F. Buckley, III, Frank Plavac | 2002-04-09 |
| 6346129 | Fuel compositions containing hydroxyalkyl-substituted polyamines | Edward T. Sabourin, Thomas F. Buckley, III, Frank Plavac, Mary J. Tompkins | 2002-02-12 |
| 6337310 | Alkylbenzene from preisomerized NAO usable in LOB and HOB sulfonate | Jean-Louis Le Coent | 2002-01-08 |
| 6269881 | Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins and the alpha-olefin compositions | Shang Chou | 2001-08-07 |
| 5759966 | High overbased metal sulfurized alkyphenates | — | 1998-06-02 |
| 5434293 | Alkylation of alkyl salicylate using a long chain carbon feed | — | 1995-07-18 |
| 5415792 | Overbased alkylated alkyl salicylates | — | 1995-05-16 |
| 5330664 | Neutral and low overbased alkylphenoxy sulfonate additive compositions derived from alkylphenols prepared by reacting an olefin or an alcohol with phenol in the presence of an acidic alkylation catalyst | Robert H. Wollenberg, Richard J. Nelson, John H. McDonald, III, Susanne G. Ruelas, Kathryn E. Matera | 1994-07-19 |
| 5330663 | Neutral and low overbased alkylphenoxy sulfonate additive compositions | Robert H. Wollenberg, Richard J. Nelson, John H. McDonald, III, Susanne G. Ruelas, Kathryn E. Matera | 1994-07-19 |
| 5320763 | Low viscosity group II metal overbased sulfurized C.sub.10 to C.sub.16 alkylphenate compositions | — | 1994-06-14 |
| 5320762 | Low viscosity Group II metal overbased sulfurized C.sub.12 to C.sub.22 alkylphenate compositions | — | 1994-06-14 |
| 5318710 | Low viscosity Group II metal overbased sulfurized C.sub.16 to C.sub.22 alkylphenate compositions | — | 1994-06-07 |
| 5232616 | Lubricating compositions | James J. Harrison | 1993-08-03 |
| 4877416 | Synergistic fuel compositions | — | 1989-10-31 |
| 4696755 | Lubricating oil compositions containing hydroxy polyether polyamines | — | 1987-09-29 |
| 4604103 | Deposit control additives--polyether polyamine ethanes | — | 1986-08-05 |
| 4600409 | Quaternary deposit control additives | — | 1986-07-15 |
| 4581151 | Quaternary deposit control additives | — | 1986-04-08 |
| 4564372 | Quaternary deposit control additives | — | 1986-01-14 |
| 4537693 | Lubricating oil compositions containing methylol polyether amino ethanes | — | 1985-08-27 |