IP Verse

Improved Filter Paper For Cigarette Filters - EP3433427

The patent EP3433427 was granted to Delfortgroup on Jun 25, 2025. The application was originally filed on Jan 24, 2017 under application number EP17701315A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3433427

DELFORTGROUP
Application Number
EP17701315A
Filing Date
Jan 24, 2017
Status
Patent Maintained As Amended
May 23, 2025
Grant Date
Jun 25, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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MIQUEL Y COSTAS & MIQUELJun 9, 2021CUETO -
SCHWEITZER MAUDUITJun 8, 2021WALLADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP2761085
INTERNATIONAL-SEARCH-REPORTEP1098036
INTERNATIONAL-SEARCH-REPORTEP2761085
OPPOSITIONEP0758532
OPPOSITIONGB2075328
OPPOSITIONJP2003119613
OPPOSITIONUS2012067359
OPPOSITIONUS2013014774
OPPOSITIONUS2014137880
OPPOSITIONUS2015173414
OPPOSITIONUS2015374030
OPPOSITIONUS4809717
OPPOSITIONUS5394895
OPPOSITIONUS5692527
OPPOSITIONUS6103294
OPPOSITIONWO2009031246
OPPOSITIONWO2014207704
OPPOSITIONWO2015035137
OPPOSITIONWO2015178995

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- ANDRITZ, "Papillon refiner. Gentle fiber treatment with low energy consumption", ANDRITZ - Brochure, (20100000), URL: https://www.andritz.com/resource/blob/22642/a05d97de8d3547b0820756e5430080fb/pp-stockpreparation-lowconsistency-refining-papillon-data.pdf, XP055815760-
OPPOSITION- ANDRITZ, "The most advanced refining system for any application ANDRITZ low-consistency refining", ANDRITZ, (2021), URL: https://www.andritz.com/products-en/pulp-and-paper/pulp-and-paper/paper-production/stock-preparation/low-consistency-refining, XP055815761-
OPPOSITION- Andritz, "TwinFlo Refiner. Balanced Refining", Andritz, (200910), URL: https://www.andritz.com/resource/blob/22644/1be0b0bcde0279fecb0e2ee5575524ce/pp-stockpreparation-lowconsistency-refining-twinflo-data.pdf, XP055815762-
OPPOSITION- BIORESOURCES COM et al., "PEER-REVIEWED ARTICLE COMPARISON OF THE PROPERTIES OF WOOD AND PULP FIBERS FROM LODGEPOLE PINE (Pinus contorta) AND SCOTS PINE (Pinus sylvestris", BioResources, (20120101), pages 1771 - 1783, XP055356045-
OPPOSITION- Luciana, "Cationic Starch", Mini-Encyclopedia of Papermaking Wet-End Chemistry, (20080416), URL: https://cationicstarch.blogspot.com/2008/04/mini-encyclopedia-of-papermaking-wet.html, XP055815759-
OPPOSITION- Martin Hubbe, "SOFTWOOD", Mini-Encyclopedia of Papermaking Wet-End Chemistry. Additives and Ingredients, their Composition, Functions, Strategies for Use and Common Wet-End Chemical Terms, URL: https://projects.ncsu.edu/project/hubbepaperchem/SW.htm-
OPPOSITION- "Papillon Refiner - Gentle and Stable Refining", ANDRITZ PULP, (20100101), XP055815760-
OPPOSITION- Sven-Olof LUNDQVIST et al, "Models for fibre dimensions in different softwood species. Simulation and comparison of within and between tree variations for Norway and Sitka spruce, Scots and Loblolly pine", IUFRO FIFTH WORKSHOPE Wood Quality Modelling, Auckland, New Zealand, (20051122), pages 1 - 12, URL: http://www.trees4future.eu/uploads/TAs/IUFRO%20paper%20NZ%202005_Comparison%20of%20wood%20species_f_ART%2005_54.pdf, XP055815757-

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Dossier Documents

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