Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889537 | Method for treating a fuel comprising a mixture of hydrocarbons and alcohols, and a selective water-adsorption product | Yves Aurelle, Jean Besombes-Vailhe, Edmond Julien, Henri Roques | 1989-12-26 |
| 4804495 | Reduced viscosity heavy hydrocarbon composition in form of multiple emulsion and its production | Dominique Bouchez, Gilbert Casamata, Pascale Fournier | 1989-02-14 |