IP Verse

Recycling Of Mixtures Of Textiles Comprising Cellulose - EP4320309

The patent EP4320309 was granted to Circulose on Nov 13, 2024. The application was originally filed on Jan 19, 2023 under application number EP23701419A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4320309

CIRCULOSE
Application Number
EP23701419A
Filing Date
Jan 19, 2023
Status
Granted And Under Opposition
Sep 13, 2024
Grant Date
Nov 13, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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CompanyOpposition DateRepresentativeOpposition Status

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LENZINGJul 16, 2025PATENT MANAGEMENT LENZINGADMISSIBLE
SODRA SKOGSAGAMA EKONOMISK FORENINGJul 16, 2025VALEAADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0356419
DESCRIPTIONEP0584318
DESCRIPTIONUS2020347520
DESCRIPTIONWO2018073177
DESCRIPTIONWO2018104330
INTERNATIONAL-SEARCH-REPORTWO2018073177
INTERNATIONAL-SEARCH-REPORTWO2018104330
OPPOSITIONUS2020347520
OPPOSITIONUS2021062369
OPPOSITIONWO2015077807
OPPOSITIONWO2016123643
OPPOSITIONWO2018073177
OPPOSITIONWO2018104330
OPPOSITIONWO2020127453
OPPOSITIONWO2021006798

Non-Patent Literature (NPL) Citations (8) 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, "Levi's most sustainable jean ever -a collaboration with Renewcell", RENEWCELL, (20200720), RENEWCELL, URL: https://www.renewcell.com/en/levis-most-sustainable-jean-ever-a-collaboration-with-renewcell/, XP093301096-
OPPOSITION- Javed Muhammad Asif, Germgård Ulf, "THE REACTIVITY OF PREHYDROLYZED SOFTWOOD KRAFT PULPS AFTER PROLONGED COOKING FOLLOWED BY CHLORITE DELIGNIFICATION", bioresources.com, (20110101), vol. 6, no. 3, pages 2581 - 2591, XP093301095-
OPPOSITION- P. Strunk, "Chemical changes of cellulose pulps in the processing to viscose dope", Cellulose Chem. Technol., (20111130), vol. 46, no. 9-10, pages 559 - 569, XP055369347-
OPPOSITION- Sasykbaeva K. A., Serkov A. T., "Degradation of viscose fibres in the finishing process and in service", FIBRE CHEMISTRY., SPRINGER, NEW YORK, NY., US, US , (19850101), vol. 16, no. 5, doi:10.1007/BF00551384, ISSN 0015-0541, pages 349 - 351, XP093301097
OPPOSITION- Chao Duan, "Comparison of acid sulfite (AS)- and prehydrolysis kraft (PHK)-based dissolving pulps", Cellulose (2015), (20151010), vol. 22, doi:10.1007/s10570-015-0781-1, pages 4017 - 4026, XP035903955
OPPOSITION- Mozdyniewicz Danuta Joanna; Nieminen Kaarlo; Kraft Gregor; Sixta Herbert, "Degradation of viscose fibers during acidic treatment", Cellulose, Springer Netherlands, Netherlands, Netherlands , (20151024), vol. 23, no. 1, doi:10.1007/s10570-015-0796-7, ISSN 0969-0239, pages 213 - 229, XP035612974
OPPOSITION- Palme Anna, Theliander Hans, Brelid Harald, "Acid hydrolysis of cellulosic fibres: Comparison of bleached kraft pulp, dissolving pulps and cotton textile cellulose", Carbohydrate Polymers, Applied science publishers , LTD Barking, GB, GB , (20160101), vol. 136, doi:10.1016/j.carbpol.2015.10.015, ISSN 0144-8617, pages 1281 - 1287, XP093301094
OPPOSITION- Jasińska Izabela, "Industrial washing conditions as factor that influence the cellulose structure and mechanical strength of bed linens", Scientific reports, Nature Publishing Group, US, US , vol. 13, no. 1, doi:10.1038/s41598-023-38969-y, ISSN 2045-2322, XP093301098

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Dossier Documents

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