Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7705094 | Polymerisation control process | Sebastien Hutchette, Patrick Leaney | 2010-04-27 |
| 6884856 | Polymerization control process | Gacem Benazouzz, Claire Couronne, Sebastien Huchette, Patrick Leaney, Christel Maire-Claude Mealares +1 more | 2005-04-26 |
| 6656524 | Continuous process for gas phase coating of polymerization catalyst | Daniel Durand, Estelle Meurice | 2003-12-02 |
| 6649710 | Gas phase polymerization process | — | 2003-11-18 |
| 6562924 | Process for the gas-phase (co)-polymerization of olefins in a fluidized bed reactor | Gacem Benazouzz, Michel Camoin, Laurent Coupier, Jean-Pierre Isnard, John Paul McNally +1 more | 2003-05-13 |
| 6398463 | Process for introducing a solid catalyst into a fluidized or agitated vessel | — | 2002-06-04 |
| 6362290 | Gas phase polymerization process | Daniel Durand | 2002-03-26 |
| 6284848 | Gas phase polymerization process | Daniel Durand | 2001-09-04 |
| 5922818 | Process for a gas phase olefin polymerization | — | 1999-07-13 |
| 5545378 | Fluidized bed reactor with polymer recycle line | Charles Raufast | 1996-08-13 |
| 5534607 | Gas phase polymerisation process | Andre Martens, Charles Raufast | 1996-07-09 |
| 5434228 | Polymerization process | Charles Raufast | 1995-07-18 |
| 5382638 | Apparatus for gas phase polymerization of olefins in a fluidized bed reactor | Xavier Bontemps, Laszlo Havas, Andre Martens | 1995-01-17 |
| 5213768 | Fluidized bed apparatus and process for feeding gas to a fluidized bed apparatus | Jean-Alain Maurel, Charles Raufast | 1993-05-25 |
| 5077358 | Process for the start up of polymerization or copolymerization in the gas phase of alpha-olefins in the presence of a ziegler-natta catalyst system | Daniel Durand, Stylianos Sandis | 1991-12-31 |
| 5075395 | Process for the starting of the polymerization of ethylene or copolymerization of ethylene and at least one other alpha-olefin in the gas phase in the presence of a catalyst based on chromium oxide | Daniel Durand | 1991-12-24 |
| 4987212 | Copolymerization of ethylene and an alpha-olefin having six carbon atoms comprising hexene-1 or 4-methyl-pentene-1 in a fluidized bed | Jean-Louis Vidal | 1991-01-22 |
| 4857611 | Gas fluidized bed terpolymerization of olefins | Daniel Durand | 1989-08-15 |
| 4858144 | Detection of anomalies in gas fluidized bed polymerization | Alain Marsaly, Andre Martens, Charles Raufast | 1989-08-15 |
| 4748221 | Polymerization of olefins using a ziegler-natta catalyst and two organometallic compounds | Joelle Collomb, Daniel Durand, Lazslo Havas | 1988-05-31 |
| 4642328 | Copolymerization of ethylene and an alpha-olefin having 6 carbon atoms in a fluidized bed | Jean-Louis Vidal | 1987-02-10 |