Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051392 | Multifunctional catalyst for treating exhaust fumes from internal combustion engines, containing uranium, at least one uranium promotor and at least one precious metal, and its preparation | Gil Mabilon, Daniel Durand, Michel Prigent | 1991-09-24 |
| 5019547 | Process for preparing precursors of catalysts containing copper, aluminum and zinc, usable for the synthesis and the decomposition of methanol and catalysts obtained from the precursors | Patrick Chaumette, Fabienne Le Peltier, Raymond Szymanski, Catherine Verdon | 1991-05-28 |
| 4985387 | Catalyst supports/catalysts for the treatment of vehicular exhaust gases | Michel Prigent, Gilbert Blanchard, Francois Garreau | 1991-01-15 |
| 4911825 | Process for elimination of mercury and possibly arsenic in hydrocarbons | Michel Roussel, Jean-Paul Boitiaux, Jean Cosyns | 1990-03-27 |
| 4847000 | Process for manufacturing synthesis gas or hydrogen by catalytic conversion of methanol in the liquid phase | Quang Dang Vu, Daniel Durand, Jean-Francois Le Page, Alain Forestiere | 1989-07-11 |
| 4840783 | Process for the production of hydrogen by catalytic reforming of methanol with water vapor | Dang V. Quang, Michel Davidson, Daniel Durand | 1989-06-20 |
| 4791141 | Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a catalyst containing copper, cobalt, zinc and aluminum | Patrick Chaumette, Daniel Durand, Pierre Grandvallet, Christine Travers | 1988-12-13 |
| 4780481 | Process for manufacturing a mixture of primary alcohols from a synthesis gas, in the presence of a catalyst containing copper, cobalt, zinc and at least one alkali and/or alkaline earth metal | Patrick Chaumette, Daniel Durand, Catherine Verdon | 1988-10-25 |
| 4675343 | Process of use of a catalyst for synthesizing saturated primary aliphatic alcohols | Daniel Durand, Alain Forestiere, Pierre Grandvallet | 1987-06-23 |
| 4659742 | Process for manufacturing a mixture of methanol and higher alcohols from synthesis gas | Daniel Durand, Andre Sugier, Edouard Freund | 1987-04-21 |
| 4596782 | Process for manufacturing catalysts containing copper, zinc and aluminum, useful for producing methanol from synthesis gas | Christine Travers, Daniel Durand, Alain Forestiere, Patrick Chaumette | 1986-06-24 |
| 4552861 | Process for manufacturing catalysts containing copper, zinc, aluminum and at least one metal from the group formed of rare earths and zirconium and the resultant catalysts for reactions involving a synthesis gas | Daniel Durand, Christine Travers, Patrick Chaumette, Alain Forestiere | 1985-11-12 |
| 4535067 | Catalyst containing iron, chromium, potassium and lanthanum oxides, its manufacture and use in dehydrogenation reactions | Michel Roussel, Philippe Varin, Jean-Francois Le Page, Serge Leporq | 1985-08-13 |
| 4533650 | Process for manufacturing a catalyst containing iron, chromium and potassium oxides and at least one rare earth metal oxide, for use in dehydrogenation reactions | Michel Roussel, Serge Leporq, Jean-Francois Le Page, Philippe Varin | 1985-08-06 |
| 4381415 | Process for dealkylating aromatic hydrocarbons in the presence of steam | Georgy L. Rabinovich, Victor N. Mojaiko, Jean-Francois LePage | 1983-04-26 |
| 4378307 | Pollution control catalyst for internal combustion engine exhaust system/catalytic converter | Jean-Pierre Brunelle, Michel Prigent, Bernard Raynal | 1983-03-29 |
| 4340504 | Catalyst for a process for dealkylating aromatic hydrocarbons in the presence of steam | Georgy L. Rabinovich, Victor N. Mojaiko, Jean-Francois Le Page | 1982-07-20 |
| 4277458 | Process for oxidizing sulfur and sulfur compounds | Andre Sugier, Andre Deschamps, Henri Gruhier | 1981-07-07 |
| 4277369 | Regeneration of a catalyst for aromatic hydrocarbons steam dealkylation | Jean Miquel, Germain Martino, Alain Convers | 1981-07-07 |
| 4257920 | Catalyst containing a noble metal of the VIIIth group, copper oxide, zinc oxide and a rare earth metal, its manufacture and use in the conversion of carbon monoxide | Andre Sugier, Edouard Freund | 1981-03-24 |
| 4207169 | Process for the steam dealkylation of aromatic hydrocarbons | Germain Martino, Jean-Francois Le Page | 1980-06-10 |
| 4199436 | Process for steam-dealkylating alkylaromatic hydrocarbons | — | 1980-04-22 |
| 4199437 | Process for steam dealkylation of aromatic hydrocarbons | Jean-Francois Le Page, Andre Sugier, Jean Cosyns | 1980-04-22 |
| 4197277 | Process for oxidizing sulfur and sulfur compounds | Andre Sugier, Andre Deschamps, Henri Gruhier | 1980-04-08 |