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New Substrate - EP4074891

The patent EP4074891 was granted to Billerud Aktiebolag Publ on Dec 20, 2023. The application was originally filed on Apr 13, 2021 under application number EP21168232A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4074891

BILLERUD AKTIEBOLAG PUBL
Application Number
EP21168232A
Filing Date
Apr 13, 2021
Status
Granted And Under Opposition
Nov 17, 2023
Grant Date
Dec 20, 2023
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Oppositions

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UPM SPECIALTY PAPERSSep 11, 2024BERGGRENADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONWO2011003565
DESCRIPTIONWO2017089508
OPPOSITIONEP3059344
OPPOSITIONJP2018048426
OPPOSITIONJPH0941286
OPPOSITIONUS2011132975
OPPOSITIONWO03100167
OPPOSITIONWO2014091071
OPPOSITIONWO2017089508
OPPOSITIONWO2020074766
OPPOSITIONWO2021069696
SEARCHWO2009112255
SEARCHWO2017089508

Non-Patent Literature (NPL) Citations (4) 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, "OptiSizer Film - Functional and innovative film application", Valmet, (20240101), Valmet, URL: https://www.valmet.com/board-and-paper/board-and-paper-machines/sizing/optisizer-film-application/, XP093213648-
OPPOSITION- Bhardwaj Shubhang, "Surface sizing of paper with polyvinyl alcohol", IPPTA, INDIAN PULP AND PAPER TECHNICAL ASS., SAHARANPU,, IN, IN , (20210101), vol. 33, no. E1, ISSN 0379-5462, pages 55 - 67, XP093213636-
OPPOSITION- G.A. Smook, "18 Surface Treatments", G.A. Smook, G.A. Smook, Handbook for pulp & paper technologists, Canada, Joint Textbook Committee of the Paper Industry, (19890101), pages 262 - 272, ISBN 0-919893-00-7, XP009557723-
OPPOSITION- Pentti Rautiainen, "Chapter 1 Calendering: 4.5 Specialty papers: Release and coated label paper", Pentti Rautiainen, Pentti Rautiainen, Paper and Paperboard Converting, Porvoo, Finland, TAPPI PRESS , (20100101), pages 83 - 84, ISBN 978-952-5216-00-4, XP009557724-

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Dossier Documents

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