Filtration Media - EP4178706

The patent EP4178706 was granted to Ahlstrom Munksj OYJ on Aug 14, 2024. The application was originally filed on Jul 7, 2021 under application number EP21740056A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4178706

AHLSTROM MUNKSJ OYJ
Application Number
EP21740056A
Filing Date
Jul 7, 2021
Status
Granted And Under Opposition
Jul 12, 2024
Grant Date
Aug 14, 2024
External Links
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NEENAH GESSNERMay 13, 2025WALLADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS3294582
DESCRIPTIONUS4383077
DESCRIPTIONUS5656733
DESCRIPTIONUS5683497
DESCRIPTIONUS5702521
INTERNATIONAL-SEARCH-REPORTCN103321090
INTERNATIONAL-SEARCH-REPORTGB954527
INTERNATIONAL-SEARCH-REPORTUS2016136553
INTERNATIONAL-SEARCH-REPORTUS3090700
INTERNATIONAL-SEARCH-REPORTUS3226251
INTERNATIONAL-SEARCH-REPORTUS3294582
OPPOSITIONCA3122424
OPPOSITIONGB954527
OPPOSITIONUS2014186627
OPPOSITIONUS2014242867
OPPOSITIONUS2016136553
OPPOSITIONUS2019152094
OPPOSITIONUS3294582
OPPOSITIONUS4455237
OPPOSITIONUS5202403
OPPOSITIONUS5780519
OPPOSITIONWO2014140429
OPPOSITIONWO2018205020
OPPOSITIONWO2019113554

Non-Patent Literature (NPL) Citations (5) 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, "Lignin, alkali - Safety Data Sheet (Version 6.3)", Sigma-Aldrich, (20250415), XP093279938-
OPPOSITION- Anonymous, "Vinsol®", Pinova, (20130101), XP093279941-
OPPOSITION- Bureau For Standarisation, "Plastics -Resins in the liquid state or as emulsions or dispersions -Determination of apparent viscosity using a single cylinder type rotational viscometer method (ISO 2555:2018)", NBN EN ISO 2555:2018, (20180601), NBN EN ISO 2555:2018, (20220525), XP055924909-
OPPOSITION- Natarelli Caio Vinicius; Lemos Ana Carolina; Assis Maíra Reis de; Tonoli Gustavo Henrique; Trugilho Paulo Fernando; Marconcini José Manoel; Oliveira Juliano Elvis de, "Sulfonated Kraft lignin addition in urea-formaldehyde resin", Journal of thermal analysis and calorimetry, KLUWER, DORDRECHT,, NL, NL , (20190219), vol. 137, no. 5, doi:10.1007/s10973-019-08075-1, ISSN 1388-6150, pages 1537 - 1547, XP036848867
OPPOSITION- Anonymous S., Jakes J. E., Rahbar N., "(PDF) Variation of Nanostructures, Molecular Interactions, and Anisotropic Elastic Moduli of Lignocellulosic Cell Walls with Moisture", Scientific reports, Nature Publishing Group, US, US , (20171201), vol. 7, no. 1, doi:10.1038/s41598-017-02288-w, ISSN 2045-2322, XP093200471

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Dossier Documents

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