| Patent Number | Title | Applicant | Opposition Date |
|---|---|---|---|
| EP2814864 | Process For Preparing A High Molecular Weight Heteroaromatic Polyester Or Copolyester | UHDE INVENTA-FISCHER GMBH | Jun 10, 2021 |
| EP2570247 | Drying/ Gas Removal Device And Device And Method For Direct Production Of Mouldings Made Of Polyester Melts | UHDE INVENTA-FISCHER GMBH | Nov 12, 2018 |
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