Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7598085 | Test kit for measuring the level of carboxylate anion in engine coolant | Regis J. Pellet | 2009-10-06 |
| 7387748 | Antifreeze coolant composition for high temperature applications | Regis J. Pellet, Paul O. Fritz | 2008-06-17 |
| 5952233 | Test kit for measuring the level of carboxylate anion in engine coolant | Regis J. Pellet, Paul M. V. Van de Ven | 1999-09-14 |
| 5744365 | Method for measuring the level of carboxylate anion in engine coolant | Regis J. Pellet, Paul M. V. Van de Ven | 1998-04-28 |
| 5011618 | Process for producing an overbased sulfonate | Brian L. Papke | 1991-04-30 |
| 4995993 | Process for preparing overbased metal sulfonates | Brian L. Papke | 1991-02-26 |