Reuse Of Lyocell Cellulose For Lyocell Method - EP3511449

The patent EP3511449 was granted to Lenzing on Mar 23, 2022. The application was originally filed on Jan 15, 2018 under application number EP18151708A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3511449

LENZING
Application Number
EP18151708A
Filing Date
Jan 15, 2018
Status
Granted And Under Opposition
Feb 18, 2022
Grant Date
Mar 23, 2022
External Links
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LIST TECHNOLOGYDec 23, 2022PATENTANWALTE UND RECHTSANWALT WEISSADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication NumberPublication Link
OPPOSITIONWO2015101543
OPPOSITIONWO2018104330
OPPOSITIONWO9607778
SEARCHWO2016123643
SEARCHWO2017019802
SEARCHWO9607778

Non-Patent Literature (NPL) Citations (16) 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- Hummel Michael, Anne Michud, Marjaana Tanttu, Shirin Asaadi, Yibo Ma, Lauri K. J. Hauru, Arno Parviainen, Alistair W. T. King, Ilkka Kilpeläinen, Herbert Sixta, "lonic Liquids for the Production of Man-Made Cellulosic Fibers: Opportuni- ties and Challenges", Adv Polym Sci, Springer, (20150101), vol. 271, pages 133 - 168, XP093012550-
OPPOSITION- JAEWOONG LEE et al., "Antimicrobial Polymeric Materials; Cellulose and m-Aramid Composite Fi- bers", Journal of Engineered Fibers and Fabrics, (20070000), vol. 2, XP002727298-
OPPOSITION- Qi Haisong, "Chapter 3: Novel Regenerated Cellulosic Materials", Cancer Nanotheranostics, Singapore , Springer , (20170101), pages 25 - 43, ISSN 2191-530X, ISBN 978-981-2874-35-1, XP093012514-
OPPOSITION- Rosenau, T. ; Potthast, A. ; Sixta, H. ; Kosma, P., "The chemistry of side reactions and byproduct formation in the system NMMO/cellulose (Lyocell process)", Progress in Polymer Science, PERGAMON PRESS, OXFORD., GB, GB , (20011101), vol. 26, no. 9, ISSN 0079-6700, pages 1763 - 1837, XP027106859-
OPPOSITION- Schuster Christian K., Christian Rohrer, Dieter Eichinger, Josef Schmidtbauer, Peter Aldred & Heinrich Firgo , "Chapter 9: Environmentally Friendly Lyocell Fibers", Natural Fibers, Plastics and Composites, Springer, (20040101), pages 123 - 146, XP093012524-
OPPOSITION- "Untersuchung bezüglich der Lösungsherstellung aus einer vernetzten Faser mit NMMO", VERGLEICHS-VERSUCH-
OPPOSITION- Vierfaches iteratives Rückführen von Lyocell- Cellulose in ein neuerliches Lyocell-Verfahren unter jeweiliger Wiederverwen- dung der Lyocell-Cellulose aus der vorangehenden Iteration, VERGLEICHS-VERSUCH #1-
OPPOSITION- Haule L. V., Carr C. M., Rigout M., "Investigation into the removal of an easy-care crosslinking agent from cotton and the subsequent regeneration of lyocell-type fibres", Cellulose, Springer Netherlands, Netherlands, Netherlands , (20140601), vol. 21, no. 3, doi:10.1007/s10570-014-0225-3, ISSN 0969-0239, pages 2147 - 2156, XP093012560
OPPOSITION- Anžlovar Alojz; Huskić Miro; Žagar Ema, "Modification of nanocrystalline cellulose for application as a reinforcing nanofiller in PMMA composites", Cellulose, Springer Netherlands, Netherlands, Netherlands , (20151027), vol. 23, no. 1, doi:10.1007/s10570-015-0786-9, ISSN 0969-0239, pages 505 - 518, XP035903962
OPPOSITION- BOY, R. et al., "Properties of cellulose-soy protein blend biofibers regenerated from an amine/salt solvent system", Cellulose, (20160000), vol. 23, doi:10.1007/s10570-016-1072-1, pages 3747 - 3759, XP036104389
OPPOSITION- THOMAS ROSENAU et al., "N-Methylmorpholine-N-oxide (NMMO): hazards in practice and pitfalls in theory", Cellulose, vol. 28, doi:10.1007/s10570-021-03860-4, (20210000), pages 5985 - 5990, URL: https://doi.org/10.1007/s10570-021-03860-4, XP037498277
OPPOSITION- Hu, X. Du, Y. Tang, Y. Wang, Q. Feng, T. Yang, J. Kennedy, J.F., "Solubility and property of chitin in NaOH/urea aqueous solution", Carbohydrate Polymers, Applied science publishers , LTD Barking, GB, GB , (20070920), vol. 70, no. 4, doi:10.1016/j.carbpol.2007.05.002, ISSN 0144-8617, pages 451 - 458, XP022260143
OPPOSITION- Protz R., Lehmann A., Bohrisch J., Ganster J., Fink H.-P., "Solubility and spinnability of cellulose-lignin blends in specific ionic liquids", Carbohydrate Polymer Technologies and Applications, (20211201), vol. 2, doi:10.1016/j.carpta.2021.100041, ISSN 2666-8939, page 100041, XP093012532
OPPOSITION- Golova L. K., Makarov I. S., Vinogradov M. I., Kuznetsova L. K., Kulichikhin V. G., "Morphological Features and Rheological Properties of Combined Cellulose and Polyacrylonitrile Solutions in N-Methylmorpholine-N-oxide", POLYMER SCIENCE., INTERPERIODICA, BIRMINGHAM, AL., US, US , (20181101), vol. 60, no. 6, doi:10.1134/S0965545X18060056, ISSN 0965-545X, pages 796 - 804, XP093012526
OPPOSITION- Kulichikhin V. G., Golova L. K., Makarov I. S., Bondarenko G. N., Berkovich A. K., Ilyin S. O., "Cellulose-co-polyacrylonitrile blends: Properties of combined solutions in N-metylmorpholine-N-oxide and the formation and thermolysis of composite fibers", Polymer science C, Pleiades Publ., US, US , (20160901), vol. 58, no. 1, doi:10.1134/S1811238216010069, ISSN 1811-2382, pages 74 - 84, XP093012552
OPPOSITION- Asaadi Shirin, "Dry-Jet Wet Spinning of Technical and Textile Filament Fibers from a Solution of Wood Pulp and Waste Cotton in an Ionic Liquid", Doctoral Dissertation, ytisrevinU otlaA, ytisrevinU otlaA, doi:10.13140/rg.2.2.22801.79205, (20190801), Doctoral Dissertation, (20230110), XP093012542

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