Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492430 | Methods of making emulsifying and dispersing surfactants and their use | Gerard Hillion, Isabelle Durand, Anne Sinquin | 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, Anne Sinquin | 2002-11-05 |
| 6417417 | Additive formulation for improving transport of oilfield effluents which may contain hydrates, and a process using this formulation | Anne Sinquin, Béatrice Cingotti, Jean-Pierre Durand | 2002-07-09 |