Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136082 | Process for the preparation of dense bituminous mixes with emulsion, and emulsion for achieving same | Gilles Barreto, Lionel Grampre | 2000-10-24 |
| 5788756 | Paving composition/building composition including a film forming bitumen in-water mixed emulsion | Pascal Cheneviere, Jean-Claude Fabre | 1998-08-04 |
| 5704962 | Granular fertilizers | — | 1998-01-06 |
| 5098604 | Cation-active compositions and their application to bituminous emulsions | Rene L. A. Brouard | 1992-03-24 |
| 4870137 | Novel n-substituted polyamide type polymers, their method of preparation and their use as additives for crude petroleum oils | Denis Lopez, Paul Maldonado, Gilles Meunier | 1989-09-26 |