Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337277 | Method for regenerating an aqueous solution of MEG containing salts with purge treatment | Aurelie Wender, Elsa Muller, Xavier COURTIAL, Guillaume Parer, Pierre-Yves Lanfrey | 2025-06-24 |
| 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 | Anne Sinquin, Yves Benoit, Isabelle Henaut, Celine Bouvry, Laurence Podesta-Foley | 2024-07-16 |
| 11136434 | Polyamines, synthesis method thereof and use thereof for the selective elimination of H2S from a gaseous effluent comprising CO2 | Thierry Huard, 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 | Julien Grandjean, Thierry Huard, 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 | Antoine Nicola, Thierry Huard, Aurelie Wender, Catherine Lefebvre, Nicolas Laloue +1 more | 2020-07-14 |
| 10618866 | Method for synthesising partially N-hydroxyethylated tertiary 1,6-hexanediamines | Julien Grandjean | 2020-04-14 |
| 10399925 | Beta-hydroxylated tertiary diamines, a process for their synthesis and their use for eliminating acid compounds a gaseous effluent | Julien Grandjean, Dominique Le Pennec, Thierry Huard, 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 | Dominique Le Pennec, Julien Grandjean, Thierry Huard, 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 | Dominique Le Pennec, Julien Grandjean, Thierry Huard, Aurelie Wender, Armelle Nigon | 2018-01-23 |
| 9821270 | Method for selective absorption of hydrogen sulfide from a gaseous effluent by a 1,2-bis(2-dimethylaminoethoxy)ethane-based absorbent solution comprising a viscosifying agent | Julien Grandjean, Dominique Le Pennec | 2017-11-21 |
| 9486737 | Absorbent tertiary monoalkanolamine solution belonging to the 3-alcoxypropylamine family, and method for removing acidic compounds contained in a gas effluent | Dominique Le Pennec, Julien Grandjean | 2016-11-08 |
| 9468884 | Process for removing acidic compounds from a gaseous effluent with an absorbent solution based on dihydroxyalkylamines bearing severe steric hindrance of the nitrogen atom | Dominique Le Pennec, Julien Grandjean | 2016-10-18 |
| 9421493 | Method for eliminating acid compounds from a gaseous effluent with an absorbent solution made from bis(amino-3-propyl)ethers | Dominique Le Pennec, Fabien Porcheron, Thierry Huard, Julien Grandjean | 2016-08-23 |
| 9211495 | Absorbent solution containing a breakdown inhibitor derived from pyrimidine or from triazine and absorption process for acid compounds contained in a gaseous effluent | P-Louis Carrette | 2015-12-15 |
| 9139512 | Absorbent solution containing a degradation inhibitor derived from a triazole or from a tetrazole and method of absorbing acid compounds contained in a gaseous effluent | P.-Louis Carrette | 2015-09-22 |
| 8921602 | Method for synthesising bis[3-(N,N-dialkylamino)propyl]ethers | Dominique Le Pennec, Julien Grandjean | 2014-12-30 |
| 8870982 | Method for converting biomass into products containing acetal groups and use thereof as biofuels | Remy Marchal | 2014-10-28 |
| 8765088 | Absorbent solution containing a thiadiazole-derived degradation inhibitor and method for limiting the degradation of an absorbent solution | Pierre-Louis Carrette | 2014-07-01 |
| 8562927 | Absorbent solution containing a breakdown inhibitor derived from thiazole or from oxazole and absorption process for acid compounds contained in a gaseous effluent | P-Louis Carrette | 2013-10-22 |
| 8419810 | Method for producing biofuels, transforming triglycerides into at least two biofuel families: fatty acid monoesters and ethers and/or soluble glycerol acetals | Gerard Hillion, Isabelle Durand | 2013-04-16 |
| 7909914 | Method of removing acid gases contained in gaseous effluents | Renaud Cadours, Julia Magne-Drisch | 2011-03-22 |
| 7851643 | Method of manufacturing fatty acid ethyl esters from triglycerides and alcohols | Gerard Hillion | 2010-12-14 |
| 7652156 | Refined method for manufacturing ethyl esters from fatty substances of natural origin | Gerard Hillion | 2010-01-26 |
| 7597872 | Process for treating a gas containing hydrogen sulphide and sulphur dioxide | Pierre-Louis Carrette, Sophie Drozdz, Ludovic Raynal | 2009-10-06 |
| 7592470 | Process for transesterification of vegetable or animal oils using heterogeneous catalysts based on titanium, zirconium or antimony and aluminium | Thierry Lacome, Gerard Hillion, Renaud Revel, Serge Leporq, Gustave Acakpo | 2009-09-22 |