Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305136 | Method for removing acid compounds from a gaseous effluent using a tertiary amine-based absorbent solution | Julien Grandjean, Aurelie Wender, Francois Grosjean, Jean Kittel, Abdelkader Lettat +3 more | 2025-05-20 |
| 11136434 | Polyamines, synthesis method thereof and use thereof for the selective elimination of H2S from a gaseous effluent comprising CO2 | Bruno Delfort, Julien Grandjean | 2021-10-05 |
| 10967325 | Absorbent solution based on hydroxyl derivatives of 1,6-hexanediamine and method for eliminating acid compounds from a gaseous effluent | Bruno Delfort, Julien Grandjean, Laetitia Giraudon, Catherine Lefebvre, Aurelie Wender +1 more | 2021-04-06 |
| 10710021 | Polyamines, synthesis process thereof and use of same for the selective elimination of H2S from a gaseous effluent comprising CO2 | Bruno Delfort, Antoine Nicola, Aurelie Wender, Catherine Lefebvre, Nicolas Laloue +1 more | 2020-07-14 |
| 10399925 | Beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent | Julien Grandjean, Bruno Delfort, Dominique Le Pennec, Aurelie Wender, Armelle Nigon | 2019-09-03 |
| 9962645 | Absorbent solution containing a mixture of 1,2-bis-(2-dimethylaminoethoxy)-ethane and of 2-[2-(2-dimethylaminoethoxy)-ethoxy]-ethanol, and method of removing acid compounds from a gaseous effluent | Bruno Delfort, Dominique Le Pennec, Julien Grandjean, Laetitia Giraudon, Aurelie Wender | 2018-05-08 |
| 9873081 | Absorbent solution based on beta-hydroxylated tertiary diamines and method of removing acid compounds from a gaseous effluent | Bruno Delfort, Dominique Le Pennec, Julien Grandjean, Aurelie Wender, Armelle Nigon | 2018-01-23 |
| 9421493 | Method for eliminating acid compounds from a gaseous effluent with an absorbent solution made from bis(amino-3-propyl)ethers | Bruno Delfort, Dominique Le Pennec, Fabien Porcheron, Julien Grandjean | 2016-08-23 |
| 8845787 | Absorbent solution based on N, N, N′, N′-tetramethylhexane-1,6-diamine and on a particular amine comprising primary or secondary amine functions and method for removing acid compounds from a gaseous effluent | Marc Jacquin, Julien Grandjean | 2014-09-30 |
| 8697920 | Use of solids based on zinc ferrite in a process for deep desulphurizing oxygen-containing feeds | Arnaud Baudot, Michel Thomas | 2014-04-15 |
| 7666679 | Method and device for analyzing the CO2 contained in a drilling fluid | Benjamin Herzhaft, Marcel Ropars, Laurent Neau | 2010-02-23 |
| 6706250 | Process for the purification of sulfur | Pierre-Louis Carrette, Christian Streicher | 2004-03-16 |
| 6669921 | Process for regenerating a catalytic redox solution, to include measuring the oxygen dissolved in the regeneration effluent and its application to desulfurization | Christian Streicher | 2003-12-30 |
| 6589498 | Process and device for treating a gas containing hydrogen sulfide, with recycling of the reduced catalytic solution | Cecile Barrere-Tricca, Christian Streicher | 2003-07-08 |