Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261808 | Upgrading of pre-processed used oils | Anthony Patrick Hagan, Laurent Georges Huve | 2007-08-28 |
| 5951847 | Catalytic dehazing of lubricating base oils | Laurent Georges Huve | 1999-09-14 |
| 5868921 | Single stage, stacked bed hydrotreating process utilizing a noble metal catalyst in the upstream bed | Guy Barre, Johannes Petrus Van Den Berg | 1999-02-09 |
| 5804058 | Catalytic dewaxing processes using alumina free coated catalyst | Laurent Georges Huve, Theodorus Ludovicus Michael Maesen | 1998-09-08 |
| 5554307 | Process for improving lubricating base oil quality | Daniel Dagorn, Taous Grandvallet Mahtout, Bob Scheffer | 1996-09-10 |
| 5470454 | Process for the preparation of lubricating base oils | Daniel G. P. Allais, Pierre E. Dejaifve | 1995-11-28 |
| 5427703 | Process for the preparation of polar lubricating base oils | Daniel G. P. Allais, Roland A. C. Garin | 1995-06-27 |
| 5378351 | Process for the preparation of lubricating base oils | Philippe Guichard, Guy Barre, Arend Hoek, Andries Qirin Maria Boon | 1995-01-03 |
| 5266270 | On-line test and analysis process and equipment making it possible to establish a material balance of a chemical reaction | Hubert Ajot, Edouard Freund | 1993-11-30 |
| 5023389 | Process for preparing normally liquid oxygenate and hydrocarbonaceous products from a hydrocarbon feed containing linear- and branched olefins | Andras G. T. G. Kortbeek, Johannes Petrus Van Den Berg, Karl-Heinz Robschlager | 1991-06-11 |
| 4988626 | On-line test and analysis process to establish a material balance of a chemical reaction | Hubert Ajot, Edouard Freund | 1991-01-29 |
| 4835335 | Process for two-stage catalytic conversion of an olefins-containing feed | Johannes Petrus Van Den Berg, Andras G. T. G. Kortbeek | 1989-05-30 |
| 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, Philippe Courty, Daniel Durand, Christine Travers | 1988-12-13 |
| 4675343 | Process of use of a catalyst for synthesizing saturated primary aliphatic alcohols | Philippe Courty, Daniel Durand, Alain Forestiere | 1987-06-23 |