Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531429 | Lubricant compositions comprising thiophosphoric acid esters and dithiophosphoric acid esters | Peter Rohrbach, Peter Collen Hamblin, Dudley Clark, Marc Ribeaud | 2003-03-11 |
| 6410490 | Stabilized hydrotreated and hydrowaxed lubricant compositions | Jose Reyes-Gavilan, Frederick T. Lichtenberg, Adesola O. Oshode, Miles J. Hutchings, Peter Collen Hamblin +1 more | 2002-06-25 |
| 5922657 | .beta.-dithiophosphorylated porpionic acid in lubricants | Hugo Camenzind, Marc Ribeaud, Peter Rohrbach | 1999-07-13 |