Issued Patents All Time
Showing 25 most recent of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404446 | Dispersion of water-soluble polymer for hydraulic fracturing | Bruno TAVERNIER, Sebastien Coccolo, Siham Telilel | 2025-09-02 |
| 12269789 | Method for obtaining bio-sourced N-vinylformamide | Johann KIEFFER | 2025-04-08 |
| 12209219 | Composition for oil and gas recovery | — | 2025-01-28 |
| 12145900 | Process for filtering 2-acrylamido-2-methylpropane sulfonic acid | Raphaël Doudin, Johann KIEFFER, Benoît LEGRAS | 2024-11-19 |
| 12098325 | Method for modifying the water permeability of a subterranean formation | Olivier Braun, Lionel Lauber | 2024-09-24 |
| 12091480 | Method for producing 2-dimethylaminoethyl (meth)acrylate | Johann KIEFFER, Jing Ling | 2024-09-17 |
| 12030832 | Dialkyl tin oxide composition and process for producing 2-dimethylaminoethyl (meth)acrylate | Johann KIEFFER, Nicolas BOISSE, Bruno Michel, Jing Ling | 2024-07-09 |
| 11987744 | Method for modifying the water permeability of a subterranean formation | Olivier Braun, Lionel Lauber | 2024-05-21 |
| 11939522 | Method for enhancing oil recovery in a subterranean carbonate formation using an injected amphoteric water-soluble polymer | — | 2024-03-26 |
| 11802109 | Method for the purification of acrylamido-2-methyl-2-propanesulphonic acid | Johann KIEFFER, Benoît LEGRAS, Raphaël Doudin | 2023-10-31 |
| 11787889 | Process for the preparation of polyacrylamides using an eco-friendly lubricant composition | Thierry Bessenet, Frédéric Daguerre, Jing Ling, Nicolas BOISSE | 2023-10-17 |
| 11773199 | Auto-invertible inverse polymer emulsion | Olivier Braun, Thierry Leblanc | 2023-10-03 |
| 11767460 | Method for modifying the water permeability of a subterranean formation | Olivier Braun, Lionel Lauber | 2023-09-26 |
| 11767381 | 2-dimethylaminoethyl acrylate polymers and their preparation method | Johann KIEFFER, Benoît LEGRAS, Nicolas BOISSE, Jing Ling | 2023-09-26 |
| 11746027 | Method for treating aqueous effluent | Morgan Tizzotti, Frédéric Daguerre, Marc-Edouard Michel | 2023-09-05 |
| 11618848 | Reverse emulsion for hydraulic fracturation | Bruno TAVERNIER | 2023-04-04 |
| 11584819 | Auto-invertible inverse polymer emulsion | Olivier Braun, Thierry Leblanc | 2023-02-21 |
| 11578255 | Method for enhanced oil recovery by means of injection of an aqueous polymer composition having monomeric units from an LCST | Olivier Braun, Thierry Leblanc | 2023-02-14 |
| 11560510 | Aqueous fracturing fluid composition and fracturing process using the composition | Johann KIEFFER, Olivier Braun, Thomas Divers, Nicolas BOISSE, Jing Ling +1 more | 2023-01-24 |
| 11535588 | Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid | Johann KIEFFER | 2022-12-27 |
| 11535587 | Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid | Johann KIEFFER | 2022-12-27 |
| 11505634 | Method for producing anionic water-soluble polymer on the basis of bioacrylamide and acrylic acid | Jun Gao, Jing Ling | 2022-11-22 |
| 11401182 | Process for treatment of aqueous effluent | Morgan Tizzoti | 2022-08-02 |
| 11370749 | Method for treating a suspension of solid particles in water using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropanesulfonic acid | Johann KIEFFER, Frédéric Daguerre | 2022-06-28 |
| 11365173 | Hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid | Johann KIEFFER | 2022-06-21 |