| Patent Number | Title | Applicant | Opposition Date |
|---|---|---|---|
| EP2996794 | Controlling The Gas Composition Of A Gas Separation Plant By Means Of Diaphragms | EVONIK FIBRES GMBH | Jun 26, 2019 |
| EP2588217 | Process For Separation Of Gases | EVONIK FIBRES GMBH | Nov 22, 2017 |
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