Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472009 | Process for reducing alcohol levels in alcoholic beverages | Yvan Gaillard, Jean-Louis Guth | 2002-10-29 |
| 5654252 | Process for starting a hydrocarbon conversion by the prior treatment of the catalyst with a sulphur agent and then diluted hydrogen | Pierre Dufresne, Hans Rabehasaina | 1997-08-05 |
| 5499746 | Process and apparatus for loading and unloading powder catalyst | Yves Jacquier, Habbo Edens, Gerrit Middelkoop | 1996-03-19 |
| 5403289 | Ampoule which is to be filled completely and a syringe for use in retaining of pharmaceutical, medical or industrial liquid products | Yves Toporenko | 1995-04-04 |
| 5397756 | Process for the presulphurization of hydrocarbon treatment catalysts | Pierre Dufresne, Bernard Legall | 1995-03-14 |
| 5350728 | Method of preparing a solid mass for mercury recovery | Charles Cameron, Philippe Courty, Raymond Roumieu, Hans Rabehasaina, Francois Eschard | 1994-09-27 |
| 5169819 | Process of presulfuration of hydrocarbon processing catalyst and catalyst produced by the process | — | 1992-12-08 |
| 5139983 | Process for the presulphurization of a hydrocarbon treatment catalyst | Bernard Le Gall | 1992-08-18 |
| 5068477 | Process for reducing a refining catalyst and use of the catalyst in hydrogenation | — | 1991-11-26 |
| 5059731 | Process of reduction of a refining catalyst before its use | — | 1991-10-22 |
| 5032565 | Process for reducing a refining catalyst before use | — | 1991-07-16 |
| 4986424 | Process and apparatus for separating materials of different shapes or sizes | Francois Ackermann | 1991-01-22 |
| 4983559 | Process for presulfurizing with phosphorous and/or halogen additive | — | 1991-01-08 |
| 4977117 | Process of presulfurizing and controlling the activity of catalyst for treating hydrocarbons | Pierre Dufresne | 1990-12-11 |
| 4839031 | Process for performing the separation of extruded materials which may or may not show imperfections | Francois Ackermann | 1989-06-13 |
| 4719195 | Process for presulfurizing a hydrogen treatment catalyst | Herve Toulhoat | 1988-01-12 |
| 4605371 | Apparatus for the transportation and heating of granulated materials | — | 1986-08-12 |
| 4551437 | Process for the transportation through an elongate chamber and electromagnetic radiation heating of granulated material | — | 1985-11-05 |
| 4530917 | Process of presulfurizing catalysts for hydrocarbons treatment | — | 1985-07-23 |