Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202985 | Method to control the extraction rate in a membrane based biogas upgrading plant | Jean-Marc Chareyre, Veronique Grabie | 2021-12-21 |
| 11052345 | Membrane permeation treatment with adjustment of the number of membranes used as a function of the pressure of the feed gas flow | Jean-Marc Chareyre, Veronique Grabie | 2021-07-06 |
| 11045760 | Membrane permeation treatment with adjustment of the temperature of the first retentate as a function of the CH4 concentration in the third and/or fourth permeate | Jean-Marc Chareyre, Veronique Grabie | 2021-06-29 |