Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349776 | Trunk piston engine lubricating oil compositions | Wilhelmus Petrus Antonie van Houten | 2013-01-08 |
| 7956022 | Low sulfur metal detergent-dispersants | Jean-Louis Le Coent, Curtis B. Campbell | 2011-06-07 |
| 5755832 | Fuel additive concentrate containing tagging material | Wilton R. Biggs | 1998-05-26 |
| 5512066 | Tagging materials for gasoline | Wilton R. Biggs | 1996-04-30 |
| 5405418 | Fuel additive compositions containing an aliphatic amine, a polyolefin and an aromatic ester | Matthew H. Ansarie, Richard E. Cherpeck, Randy G. Chevalier | 1995-04-11 |
| 5405419 | Fuel additive compositions containing an aliphatic amine, a polyolefin and a poly(oxyalkylene) monool | Matthew Hussain Ansari, Richard E. Cherpeck, Randy G. Chevalier | 1995-04-11 |