Method And Reactor System For Depolymerising A Terephthalate-Polymer Into Reusable Raw Material - EP4017909

The patent EP4017909 was granted to Ioniqa on Nov 15, 2023. The application was originally filed on Aug 20, 2020 under application number EP20757349A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4017909

IONIQA
Application Number
EP20757349A
Filing Date
Aug 20, 2020
Status
Granted And Under Opposition
Oct 13, 2023
Grant Date
Nov 15, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

POLYMETRIXAug 15, 2024HEPP WENGER RYFFELADMISSIBLE
STRAWMANAug 14, 2024HOFFMANN EITLEADMISSIBLE
CHEMPETAug 2, 2024BOTTEROADMISSIBLE

Patent Citations (33) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONNL2022037B
DESCRIPTIONWO2016105200
DESCRIPTIONWO2017111602
DESCRIPTIONWO2018143798
INTERNATIONAL-SEARCH-REPORTEP0723951
INTERNATIONAL-SEARCH-REPORTJP2000053802
INTERNATIONAL-SEARCH-REPORTJP2008088096
INTERNATIONAL-SEARCH-REPORTUS2019161595
INTERNATIONAL-SEARCH-REPORTWO2016010587
OPPOSITIONCA3004759
OPPOSITIONCN105367415
OPPOSITIONCN105367425
OPPOSITIONCN107189044
OPPOSITIONCN110092396
OPPOSITIONEP0723951
OPPOSITIONEP1234812
OPPOSITIONEP1254888
OPPOSITIONFR1563765
OPPOSITIONFR3053691
OPPOSITIONJP2000053802
OPPOSITIONJP2005264113
OPPOSITIONJP2006232701
OPPOSITIONJP2008088096
OPPOSITIONJP5189266B
OPPOSITIONUS10017454
OPPOSITIONUS2019161595
OPPOSITIONUS2488746
OPPOSITIONUS3583942
OPPOSITIONUS5869543
OPPOSITIONUS6689903
OPPOSITIONWO2016010587
OPPOSITIONWO2016096768
OPPOSITIONWO2019009836

Non-Patent Literature (NPL) Citations (23) 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- Anonymous, "Amorphes Material", Wikipedia, (20221205), pages 1 - 3, Wikipedia , URL: https://de.wikipedia.org/w/index.php?title=Amorphes_Material&oldid=228598337, (20240215), XP093131843-
OPPOSITION- Lopez-Fonseca, R. et al, "Chemical recycling of post-consumer PET wastes by glycolysis in the presence of metal salts", POLYMER DEGRADATION AND STABILITY, BARKING, GB, GB , (20100601), vol. 95, no. 6, ISSN 0141-3910, pages 1022 - 1028, XP027035680-
OPPOSITION- Moral Alberto, Jesus Martin Marroquin, R. Irusta, L. Martinez, "Depolimerization of PET bottle wastes to produce high-value BHET monomer using ethylenglycol", Chemical Engineering Transactions, (20070101), vol. 11, no. 1, pages 479 - 484, XP093202887-
OPPOSITION- Pticek Sirocic Anita, Fijacko A, Hrnjak-Murgic Z, "Chemical Recycling of Postconsumer Poly(ethylene-terephthalate) Bottles - Depolymerization Study", Chem. Biochem. Eng, (20130101), vol. 27, no. 1, pages 65 - 71, XP093202889-
OPPOSITION- Xi, G. ; Lu, M. ; Sun, C., "Study on depolymerization of waste polyethylene terephthalate into monomer of bis(2-hydroxyethyl terephthalate)", POLYMER DEGRADATION AND STABILITY, BARKING, GB, GB , (20050101), vol. 87, no. 1, ISSN 0141-3910, pages 117 - 120, XP027766372-
OPPOSITION- Chen Cheng‐ho, "Study of glycolysis of poly(ethylene terephthalate) recycled from postconsumer soft‐drink bottles. III. Further investigation", Journal of Applied Polymer Science, John Wiley & Sons, Inc., US, US , (20030321), vol. 87, no. 12, doi:10.1002/app.11694, ISSN 0021-8995, pages 2004 - 2010, XP093208729
OPPOSITION- Zahn Helmut, Krzikalla Reinhard, "Synthese von einheitlichen, linearen oligoestern vom poly‐glykol‐terephthalat‐typ", Makromolekulare Chemie, (19570101), vol. 23, no. 1, doi:10.1002/macp.1957.020230103, ISSN 0025-116X, pages 31 - 53, XP093208695
OPPOSITION- Baliga Satish, Wong Wing T., "Depolymerization of poly(ethylene terephthalate) recycled from post‐consumer soft‐drink bottles", Journal of Polymer Science Part A: Polymer Chemistry, John Wiley & Sons, Inc., US, US , (19890501), vol. 27, no. 6, doi:10.1002/pola.1989.080270625, ISSN 0887-624X, pages 2071 - 2082, XP093202897
OPPOSITION- Fukushima Kazuki, Coulembier Olivier, Lecuyer Julien M., Almegren Hamid A., Alabdulrahman Abdullah M., Alsewailem Fares D., Mcneil Melanie A., Dubois Philippe, Waymouth Robert M., Horn Hans W., Rice Julia E., Hedrick James L., "Organocatalytic depolymerization of poly(ethylene terephthalate)", Journal of Polymer Science Part A: Polymer Chemistry, John Wiley & Sons, Inc., US, US , (20110301), vol. 49, no. 5, doi:10.1002/pola.24551, ISSN 0887-624X, pages 1273 - 1281, XP055937789
OPPOSITION- Fukushima Kazuki, Coulembier Olivier, Lecuyer Julien M., Almegren Hamid A., Alabdulrahman Abdullah M., Alsewailem Fares D., Mcneil Melanie A., Dubois Philippe, Waymouth Robert M., Horn Hans W., Rice Julia E., Hedrick James L., "Organocatalytic depolymerization of poly(ethylene terephthalate)", Journal of Polymer Science Part A: Polymer Chemistry, US , (20110301), vol. 49, no. 5, doi:10.1002/pola.24551, ISSN 0887-624X, pages 1273 - 1281, XP055937789
OPPOSITION- J. M. LUSINCHI, Y. PIETRASANTA, J. J. ROBIN, B. BOUTEVIN, "RECYCLING OF PET AND PVC WASTES.", Journal of Applied Polymer Science, US , (19980725), vol. 69., no. 4, doi:10.1002/(SICI)1097-4628(19980725)69:4<657::AID-APP4>3.0.CO;2-I, ISSN 0021-8995, pages 657 - 665., XP000802842
OPPOSITION- Lusinchi J. M., Pietrasanta Y., Robin J. J., Boutevin B., "Recycling of PET and PVC wastes", Journal of Applied Polymer Science, John Wiley & Sons, Inc., US, US , (19980725), vol. 69, no. 4, doi:10.1002/(SICI)1097-4628(19980725)69:4<657::AID-APP4>3.0.CO;2-I, ISSN 0021-8995, pages 657 - 665, XP093202895
OPPOSITION- Rubén López-Fonseca et al, "Kinetics of catalytic glycolysis of PET wastes with sodium carbonate", Chemical Engeneering Journal, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL , (20110105), vol. 168, no. 1, doi:10.1016/j.cej.2011.01.031, ISSN 1385-8947, pages 312 - 320, XP028174657
OPPOSITION- Mostafa Nowee, S. et al, "Antisolvent crystallization: Model identification, experimental validation and dynamic simulation", CHEMICAL ENGINEERING SCIENCE, OXFORD, GB, GB , (20081101), vol. 63, no. 22, doi:10.1016/j.ces.2008.08.003, ISSN 0009-2509, pages 5457 - 5467, XP025584570
OPPOSITION- Ghaemy, M. Mossaddegh, K., "Depolymerisation of poly(ethylene terephthalate) fibre wastes using ethylene glycol", POLYMER DEGRADATION AND STABILITY, BARKING, GB, GB , (20051201), vol. 90, no. 3, doi:10.1016/j.polymdegradstab.2005.03.011, ISSN 0141-3910, pages 570 - 576, XP005091858
OPPOSITION- Ghaemy, M. ; Mossaddegh, K., "Depolymerisation of poly(ethylene terephthalate) fibre wastes using ethylene glycol", Polymer degradation and stability, GB , (20051201), vol. 90, no. 3, doi:10.1016/j.polymdegradstab.2005.03.011, ISSN 0141-3910, pages 570 - 576, XP025279226
OPPOSITION- Imran Muhammad et al, "Manganese-, cobalt-, and zinc-based mixed-oxide spinels as novel catalysts for the chemical recycling of poly(ethylene terephthalate) via glycolysis", POLYMER DEGRADATION AND STABILITY, BARKING, GB, GB , (20130128), vol. 98, no. 4, doi:10.1016/j.polymdegradstab.2013.01.007, ISSN 0141-3910, pages 904 - 915, XP028986610
OPPOSITION- Imran Muhammad; Kim Do Hyun; Al-Masry Waheed A.; Mahmood Asif; Hassan Azman; Haider Sajjad; Ramay Shahid M., "Manganese-, cobalt-, and zinc-based mixed-oxide spinels as novel catalysts for the chemical recycling of poly(ethylene terephthalate) via glycolysis", polymer degradation and stability, GB , (20130128), vol. 98, no. 4, doi:10.1016/j.polymdegradstab.2013.01.007, ISSN 0141-3910, pages 904 - 915, XP028986610
OPPOSITION- Nabid Mohammad Reza; Bide Yasamin; Fereidouni Nazanin; Etemadi Bahare, "Maghemite/nitrogen-doped graphene hybrid material as a reusable bifunctional catalyst for glycolysis of polyethylene terephthalate", Polymer degradation and stability, GB , (20170901), vol. 144, doi:10.1016/j.polymdegradstab.2017.08.033, ISSN 0141-3910, pages 434 - 441, XP085211032
OPPOSITION- Nabid Mohammad Reza, "Maghemite/nitrogen-doped graphene hybrid material as a reusable bifunctional catalyst for glycolysis of polyethylene terephthalate", POLYMER DEGRADATION AND STABILITY, BARKING, GB, GB , (20170901), vol. 144, doi:10.1016/j.polymdegradstab.2017.08.033, ISSN 0141-3910, pages 434 - 441, XP085211032
OPPOSITION- Bartolome Leian, Imran Muhammad, Lee Kyoung G., Sangalang Arvin, Ahn Jeong Keun, Kim Do Hyun, "Superparamagnetic γ-Fe 2 O 3 nanoparticles as an easily recoverable catalyst for the chemical recycling of PET", Green Chemistry, GB , (20140101), vol. 16, no. 1, doi:10.1039/C3GC41834K, ISSN 1463-9262, pages 279 - 286, XP055919794
OPPOSITION- Jehanno Coralie, Flores Irma, Dove Andrew P., Müller Alejandro J., Ruipérez Fernando, Sardon Haritz, "Organocatalysed depolymerisation of PET in a fully sustainable cycle using thermally stable protic ionic salt", Green Chemistry, Royal Society of Chemistry, GB, GB , (20180202), vol. 20, no. 6, doi:10.1039/C7GC03396F, ISSN 1463-9262, pages 1205 - 1212, XP093034953
OPPOSITION- Silva Carlos Vinícius, Silva Filho Eloi Alves Da, Uliana Fabrício, Jesus Luciana Fernanda Rangel De, Melo Carlos Vital Paixão De, Barthus Rosangela Cristina, Rodrigues José Guilherme Aquino, Vanini Gabriela, "PET glycolysis optimization using ionic liquid [Bmin]ZnCl3 as catalyst and kinetic evaluation", Polimeros: ciencia y tecnologia, Associacao Brasileira de Polimeros,, BR, BR , vol. 28, no. 5, doi:10.1590/0104-1428.00418, ISSN 0104-1428, pages 450 - 459, XP093202891

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents