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Process For Preparing A High Molecular Weight Heteroaromatic Polyester Or Copolyester - EP2814864

The patent EP2814864 was granted to Uhde Inventa Fischer on Sep 16, 2020. The application was originally filed on Feb 15, 2013 under application number EP13705973A. The patent is currently recorded with a legal status of "Revoked".

EP2814864

UHDE INVENTA FISCHER
Application Number
EP13705973A
Filing Date
Feb 15, 2013
Status
Revoked
Sep 2, 2022
Grant Date
Sep 16, 2020
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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TECHNIP ZIMMERJun 10, 2021KEENWAY PATENTANWALTE NEUMANN HEINE TARUTTISADMISSIBLE
FURANIXJun 8, 2021EP&CADMISSIBLE

Patent Citations (40) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0719582
DESCRIPTIONEP1448658
DESCRIPTIONEP1678236
DESCRIPTIONWO2007140925
DESCRIPTIONWO2010077133
EXAMINATIONUS2009011236
EXAMINATIONUS2011028678
EXAMINATIONUS2011034662
EXAMINATIONUS3644291
INTERNATIONAL-SEARCH-REPORTDE102006025942
INTERNATIONAL-SEARCH-REPORTEP2327742
INTERNATIONAL-SEARCH-REPORTJP2008291244
INTERNATIONAL-SEARCH-REPORTUS2011124839
INTERNATIONAL-SEARCH-REPORTWO2007052847
OPPOSITIONCN102050941
OPPOSITIONCN102190785
OPPOSITIONDE102006025942
OPPOSITIONEP1948709
OPPOSITIONEP2327742
OPPOSITIONEP2511320
OPPOSITIONEP2771382
OPPOSITIONGB621971
OPPOSITIONJP2008291244
OPPOSITIONJP2009215467
OPPOSITIONUS2007066790
OPPOSITIONUS2009011236
OPPOSITIONUS2011028678
OPPOSITIONUS2011034662
OPPOSITIONUS2011124839
OPPOSITIONUS3644291
OPPOSITIONUS7431893
OPPOSITIONWO2007052847
OPPOSITIONWO2009104780
OPPOSITIONWO2010077133
OPPOSITIONWO2010140599
OPPOSITIONWO2011054926
OPPOSITIONWO2011147806
OPPOSITIONWO2013062408
OPPOSITIONWO2014204313
OPPOSITIONWO2016032330

Non-Patent Literature (NPL) Citations (4) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- JOHN SCHEIRS et al., "Modern Polyesters: Chemistry and Technology of Polyesters and Copolyesters, Additives for the Modification of Poly(Ethylene Terephthalate) to Produce Engineering-Grade Polymers", JOHN WILEY & SONS, US, (20030000), pages 495 - 540, XP002522241-
OPPOSITION- "Polyethylene 2,5-furandicarboxylate", Wikipedia, (20190212), XP055816681-
OPPOSITION- MIN JIANG et al., "A Series of Furan-Aromatic Polyesters Synthesized via Direct Esteri- fication Method Based on Renewable Resources", Journal of Polymer Science, (20110000), XP009171562
OPPOSITION- M.JIANG, J.POL.SCI. PART A: POLYMER CHEMISTRY, Bd, (20111207), vol. 50, pages 1026 - 1036, XP009171562

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Dossier Documents

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