Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5498326 | Process for and apparatus for catalytic cracking in two successive reaction zones | Pierre Galtier, Regis Bonifay, Thierry Gauthier, Renaud Pontier | 1996-03-12 |
| 5186909 | Reaction chamber comprising a calender reactor and means for bedding the flow of a heat-carrying fluid | Quang Dang Vu, Alain Grehier, Philippe Vacher, Jean-Pierre Burzynski | 1993-02-16 |
| 5021143 | Process of fractionation and extraction of hydrocarbons allowing obtaining a cut of increased octane index and a kerosene of improved smoke point | Paul Mikitenko, Pierre Baumgartner, Georges Cohen | 1991-06-04 |
| 4855117 | Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur | Andre Deschamps, Serge Leporq | 1989-08-08 |
| 4781903 | Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur | Andre Deschamps, Serge Leporq | 1988-11-01 |
| 4756821 | Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst | Pierre Giuliani, Gilbert Roche, Pierre Bergez | 1988-07-12 |
| 4609456 | Process for converting heavy petroleum residues to hydrogen and gaseous distillable hydrocarbons | Andre Deschamps, Claude Dezael | 1986-09-02 |
| 4519895 | Process for converting a carbonaceous material to lower paraffinic hydrocarbons and monocyclic aromatic hydrocarbons | Andre Deschamps | 1985-05-28 |
| 4421725 | Process for purifying a gas containing hydrogen sulfide and carbon dioxide and apparatus therefor | Claude Dezael | 1983-12-20 |
| 4405442 | Process for converting heavy oils or petroleum residues to gaseous and distillable hydrocarbons | Andre Deschamps, Jean-Francois Le Page | 1983-09-20 |
| 4310497 | Process for purifying a hydrogen sulfide containing gas | Andre Deschamps, Claude Dezael, Henri Gruhier | 1982-01-12 |
| 4251495 | Process for purifying a hydrogen sulfide containing gas | Andre Deschamps, Andre Sugier | 1981-02-17 |
| 4220634 | Process for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammonia | Andre Deschamps, Claude Dezael, Henri Gruhier | 1980-09-02 |