Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12037543 | Method for treating production water from the enhanced oil recovery of oil by hydrocyclone in the presence of additives of tetrakis(hydroxymethyl)phosphonium salt type | Bruno Delfort, Yves Benoit, Isabelle Henaut, Celine Bouvry, Laurence Podesta-Foley | 2024-07-16 |
| 10935493 | Optimised method for detecting the formation gas hydrates | Olivier DELPOUX, Didier Frot, Corinne Sagnard, Veronique Lachet | 2021-03-02 |
| 10775311 | Simplified device for detecting the formation of gas hydrates | Olivier DELPOUX, Didier Frot, Corinne Sagnard | 2020-09-15 |
| 6492430 | Methods of making emulsifying and dispersing surfactants and their use | Gerard Hillion, Isabelle Durand, Marie Velly | 2002-12-10 |
| 6476081 | Process for the manufacture of compositions which can be used as emulsifying and dispersing surfactants the compositions obtained and their uses | Gerard Hillion, Isabelle Durand, Marie Velly | 2002-11-05 |
| 6417417 | Additive formulation for improving transport of oilfield effluents which may contain hydrates, and a process using this formulation | Marie Velly, Béatrice Cingotti, Jean-Pierre Durand | 2002-07-09 |
| 6093862 | Process for slowing the growth and/or agglomeration and possibly retarding the formation of hydrates in a production effluent | Marie Velly, Patrick Gateau, Jean-Pierre Durand | 2000-07-25 |
| 6028236 | Process for slowing the growth and/or agglomeration of hydrates in a production effluent | Herve Toulhoat | 2000-02-22 |
| 5981816 | Method for inhibiting or retarding hydrate formation or agglomeration in a production effluent | Marie Velly, Jean-Pierre Durand | 1999-11-09 |
| 5958844 | Method of transporting hydrates suspended in production effluents | Marie Velly, Gerard Hillion, Jean-Pierre Durand | 1999-09-28 |
| 5789635 | Method for inhibiting or retarding hydrate formation, growth and/or agglomeration | Jean-Pierre Durand, Marie Velly | 1998-08-04 |