Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9304119 | System and method for testing engine lubricants | Abraham Robert De Kraker | 2016-04-05 |
| 5925151 | Detergent additive compositions for diesel fuels | Elaine C. DeCanio, Sheldon Herbstman, Benjamin J. Kaufman | 1999-07-20 |
| 5445750 | Lubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acid | Harry Chafetz, Christopher S. Liu, Thomas A. Kennedy | 1995-08-29 |
| 5332514 | Continuous process for preparing overbased salts | Kenneth L. Kreuz, Tze-Chi Jao, Edward R. Arndt | 1994-07-26 |
| 5314632 | Combining dispersant viscosity index improver and detergent additives for lubricants | Issac D. Rubin, John Castrogiovanni, Jr. | 1994-05-24 |
| 5294354 | Combining dispersant viscosity index improver and detergent additives for lubricants | Isaac D. Rubin, John Castrogiovanni, Jr. | 1994-03-15 |
| 5011618 | Process for producing an overbased sulfonate | Leonard S. Bartley, Jr. | 1991-04-30 |
| 4995993 | Process for preparing overbased metal sulfonates | Leonard S. Bartley, Jr. | 1991-02-26 |