Assignee
EVONIK FIBRES GMBH
AT·11 granted patents·4 pending applications·85 citations·filing 2006–2023
Top patents by PatentIndex Score
15 records- 0196US10471380B2Process for separation of gases with reduced maintenance costsEVONIK FIBRES GMBH·Filed 2015·Granted Nov 12, 2019·16 cites·23 claims
- 0292US9770687B2Control of gas composition of a gas separation system having membranesEVONIK FIBRES GMBH·Filed 2013·Granted Sep 26, 2017·22 cites·20 claims
- 0387US7687668B2Process for preparing 4,4′ difluorobenzophenoneEVONIK FIBRES GMBH·Filed 2006·Granted Mar 30, 2010·10 cites·5 claims
- 0485US9469048B2Polyimide powder having high thermooxidative stabilityEVONIK FIBRES GMBH·Filed 2014·Granted Oct 18, 2016·9 cites·16 claims
- 0584US10933378B2Hollow fibre membrane cartridge and module for the separation of fluidsEVONIK FIBRES GMBH·Filed 2016·Granted Mar 2, 2021·5 cites·25 claims
- 0680US9873093B2Method for producing polyimide membranesEVONIK FIBRES GMBH·Filed 2014·Granted Jan 23, 2018·7 cites·36 claims
- 0780US7812099B2Process for preparing a block copolymer from polyimides and use of the block copolymer for producing powders and mouldingsEVONIK FIBRES GMBH·Filed 2006·Granted Oct 12, 2010·5 cites·11 claims
- 0878US9314735B2Method for separating gasesEVONIK FIBRES GMBH·Filed 2012·Granted Apr 19, 2016·7 cites·22 claims
- 0977US10456750B2Membrane cartridge systemEVONIK FIBRES GMBH·Filed 2014·Granted Oct 29, 2019·4 cites·14 claims
- 1066US2024228704A1Melt-processable polyimides with high glass transition temperatureEVONIK FIBRES GMBH·Filed 2023·Application pending·0 cites
- 1159US11724978B2Method for oxidizing a 1,1,-bis-(3,4-dimethylphenyl)-alkane to 3,3′,4,4′-benzophenone tetracarboxylic acidEVONIK FIBRES GMBH·Filed 2020·Granted Aug 15, 2023·0 cites·20 claims
- 1254US2022403170A1Non-toxic polyimide solutionsEVONIK FIBRES GMBH·Filed 2022·Application pending·0 cites
- 1351US2018099251A1Method for producing polyimide membranesEVONIK FIBRES GMBH·Filed 2017·Application pending·0 cites
- 1447US11547970B2Membrane bundle layout having spacersEVONIK FIBRES GMBH·Filed 2018·Granted Jan 10, 2023·0 cites·13 claims
- 1541US2010181253A1Cross-linked polyimide membranesEVONIK FIBRES GMBH·Filed 2008·Application pending·0 cites
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