Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470370 | Complex composition resulting from the action of urea on a sulfuric sludge of petroleum origin, process for the preparation thereof and use thereof as a source of fertilizing material | Yvan Schwob | 1995-11-28 |
| 5431822 | Process for the chromatographic separation of a mixture of polyglycerols | Gabriel Terneuil, Gerard Hotier | 1995-07-11 |
| 5114590 | Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures | Gerard Hotier, Jean-Michel Toussaint, Gabriel Terneuil | 1992-05-19 |
| 5093004 | Continuous process and apparatus for chromatographic separation of a mixture of at least three constituents into three purified effluents using two solvents | Gerard Hotier, Jean-Michel Toussaint, Gabriel Terneuil | 1992-03-03 |
| 4548615 | Process for manufacturing solid fuels from heavy hydrocarbon oils and vegetable materials | Vong N. Hoai, Francois-Pierre Navarre | 1985-10-22 |
| 4320050 | Process for selectively extracting dyestuffs contained in cyanophyceae algae, the so-extracted dyestuffs and their use, particularly in foodstuffs | Michel Rebeller, Pierre Yout | 1982-03-16 |