[go: up one dir, main page]

FI20096233L - Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer - Google Patents

Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer Download PDF

Info

Publication number
FI20096233L
FI20096233L FI20096233A FI20096233A FI20096233L FI 20096233 L FI20096233 L FI 20096233L FI 20096233 A FI20096233 A FI 20096233A FI 20096233 A FI20096233 A FI 20096233A FI 20096233 L FI20096233 L FI 20096233L
Authority
FI
Finland
Prior art keywords
pulp
nanofibrillated cellulose
papermaking
preparing
composites
Prior art date
Application number
FI20096233A
Other languages
English (en)
Finnish (fi)
Other versions
FI123289B (sv
FI20096233A0 (sv
Inventor
Markus Nuopponen
Taru Paeivaelaeinen
Antti Laukkanen
Jouni Paltakari
Original Assignee
Upm Kymmene Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41395280&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI20096233(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Upm Kymmene Corp filed Critical Upm Kymmene Corp
Priority to FI20096233A priority Critical patent/FI123289B/sv
Publication of FI20096233A0 publication Critical patent/FI20096233A0/sv
Priority to PCT/FI2010/050897 priority patent/WO2011064441A1/en
Priority to EP10832694.3A priority patent/EP2504487B1/en
Priority to CN2010800531975A priority patent/CN102686799A/zh
Priority to US13/511,956 priority patent/US20130000855A1/en
Publication of FI20096233L publication Critical patent/FI20096233L/sv
Application granted granted Critical
Publication of FI123289B publication Critical patent/FI123289B/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/18Highly hydrated, swollen or fibrillatable fibres
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20Methods of refining
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30Luminescent or fluorescent substances, e.g. for optical bleaching
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/32Bleaching agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI20096233A 2009-11-24 2009-11-24 Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer FI123289B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20096233A FI123289B (sv) 2009-11-24 2009-11-24 Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer
PCT/FI2010/050897 WO2011064441A1 (en) 2009-11-24 2010-11-05 Method for manufacturing nanofibrillated cellulose pulp and use of the pulp in paper manufacturing or in nanofibrillated cellulose composites
EP10832694.3A EP2504487B1 (en) 2009-11-24 2010-11-05 Method for manufacturing nanofibrillated cellulose pulp and use of the pulp in paper manufacturing or in nanofibrillated cellulose composites
CN2010800531975A CN102686799A (zh) 2009-11-24 2010-11-05 用于生产纳米原纤化纤维素纸浆的方法及纸浆在造纸或纳米原纤化纤维素复合物中的用途
US13/511,956 US20130000855A1 (en) 2009-11-24 2010-11-05 Method for manufacturing nanofibrillated cellulose pulp and use of the pulp in paper manufacturing or in nanofibrillated cellulose composites

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20096233A FI123289B (sv) 2009-11-24 2009-11-24 Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer
FI20096233 2009-11-24

Publications (3)

Publication Number Publication Date
FI20096233A0 FI20096233A0 (sv) 2009-11-24
FI20096233L true FI20096233L (sv) 2011-05-25
FI123289B FI123289B (sv) 2013-01-31

Family

ID=41395280

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20096233A FI123289B (sv) 2009-11-24 2009-11-24 Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer

Country Status (5)

Country Link
US (1) US20130000855A1 (sv)
EP (1) EP2504487B1 (sv)
CN (1) CN102686799A (sv)
FI (1) FI123289B (sv)
WO (1) WO2011064441A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104204345A (zh) * 2012-02-13 2014-12-10 芬欧汇川集团 加工原纤维纤维素的方法、系统和设备以及原纤维纤维素材料

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2710273A1 (en) 2007-12-20 2009-07-09 University Of Tennessee Research Foundation Wood adhesives containing reinforced additives for structural engineering products
FI124724B (sv) 2009-02-13 2014-12-31 Upm Kymmene Oyj Metod för framställning av modifierad cellulosa
EP2236545B1 (en) 2009-03-30 2014-08-27 Omya International AG Process for the production of nano-fibrillar cellulose gels
FI3617400T3 (sv) 2009-03-30 2022-11-30 Fiberlean Technologies Limited Användning av nanofibrillära cellulosasuspensioner
GB0908401D0 (en) 2009-05-15 2009-06-24 Imerys Minerals Ltd Paper filler composition
PT2386682E (pt) 2010-04-27 2014-05-27 Omya Int Ag Processo para fabricar materiais estruturados, usando géis de celulose nanofibrilares
DK2386683T3 (da) 2010-04-27 2014-06-23 Omya Int Ag Fremgangsmåde til fremstilling af gel-baserede kompositmaterialer
GB201019288D0 (en) 2010-11-15 2010-12-29 Imerys Minerals Ltd Compositions
AU2012208922B2 (en) 2011-01-21 2016-10-13 Fpinnovations High aspect ratio cellulose nanofilaments and method for their production
US9388529B2 (en) 2011-02-24 2016-07-12 Innventia Ab Single-step method for production of nano pulp by acceleration and disintegration of raw material
US8835141B2 (en) * 2011-06-09 2014-09-16 The United States Of America As Represented By The Secretary Of Agriculture Methods for integrated conversion of lignocellulosic material to sugars or biofuels and nano-cellulose
FI20115882A0 (sv) * 2011-09-08 2011-09-08 Teknologian Tutkimuskeskus Vtt Oy Förfarande för tillverkning av fibertrådar
FI126041B (sv) 2011-09-12 2016-06-15 Stora Enso Oyj Förfarande för styrning av retention och mellanprodukt som används i förfarandet
FI126457B (sv) 2011-11-14 2016-12-15 Upm Kymmene Corp Förfarande för producering av fibrillcellulosa
FI126118B (sv) * 2012-02-10 2016-06-30 Upm Kymmene Corp Förfarande för förbehandling av cellulosamassa
GB2502955B (en) * 2012-05-29 2016-07-27 De La Rue Int Ltd A substrate for security documents
CA2876083C (en) 2012-06-15 2021-06-15 University Of Maine System Board Of Trustees Release paper and method of manufacture
FI127817B (sv) * 2012-08-21 2019-03-15 Upm Kymmene Corp Förfarande för tillverkning av en pappersprodukt, och pappersprodukt
FI127526B (sv) * 2012-11-03 2018-08-15 Upm Kymmene Corp Förfarande för tillverkning av nanofibrillär cellulosa
SE537517C2 (sv) 2012-12-14 2015-05-26 Stora Enso Oyj Våtlagt arkmaterial innefattande mikrofibrillerad cellulosasamt förfarande för tillverkning därav
FR3003581B1 (fr) * 2013-03-20 2015-03-20 Ahlstroem Oy Support fibreux a base de fibres et de nanofibrilles de polysaccharide
ES2583481T3 (es) * 2013-04-29 2016-09-21 Blankophor Gmbh & Co. Kg Uso de celulosa micronizada y agente de blanqueamiento fluorescente para el tratamiento de superficie de materiales celulósicos
US9656914B2 (en) 2013-05-01 2017-05-23 Ecolab Usa Inc. Rheology modifying agents for slurries
FI127014B (sv) * 2013-05-15 2017-09-29 Upm Kymmene Corp Förfarande för tillverkning av nanofibrillär cellulosa och för tillverkning av en pappersprodukt
FI125942B (sv) 2013-07-26 2016-04-15 Upm Kymmene Corp Modifieringsförfarande av nanofibrillär cellulosasammansättning
US10695947B2 (en) 2013-07-31 2020-06-30 University Of Maine System Board Of Trustees Composite building products bound with cellulose nanofibers
US9303360B2 (en) * 2013-08-08 2016-04-05 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
US9410288B2 (en) 2013-08-08 2016-08-09 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
WO2015034479A1 (en) * 2013-09-04 2015-03-12 Halliburton Energy Services, Inc. Nano-carbohydrate composites as a lost circulation materials - lcm origami and other drilling fluid applications
FI126042B (sv) * 2014-03-31 2016-06-15 Upm Kymmene Corp Förfarande för tillverkning av nanofibrillär cellulosa samt nanofibrillär cellulosaprodukt
GB201409047D0 (en) * 2014-05-21 2014-07-02 Cellucomp Ltd Cellulose microfibrils
FI126688B (sv) * 2014-06-30 2017-03-31 Upm Kymmene Corp Förfarande och anordning för att kontrollera kvaliteten av nanofibrillär cellulosa
US9970159B2 (en) * 2014-12-31 2018-05-15 Innovatech Engineering, LLC Manufacture of hydrated nanocellulose sheets for use as a dermatological treatment
JP6721608B2 (ja) 2015-05-01 2020-07-15 エフピーイノベイションズ 乾式混合された再分散性セルロースフィラメント/担体生成物およびそれを製造する方法
BR112017025970B1 (pt) * 2015-06-04 2022-11-29 Bruce Crossley Método de produção de nanofibrilas de celulose
KR102661452B1 (ko) 2015-10-14 2024-04-26 파이버린 테크놀로지스 리미티드 3d-성형 가능한 시트 물질
WO2017066540A1 (en) 2015-10-15 2017-04-20 Ecolab Usa Inc. Nanocrystalline cellulose and polymer-grafted nanocrystalline cellulose as rheology modifying agents for magnesium oxide and lime slurries
FI130254B (sv) * 2016-02-03 2023-05-11 Kemira Oyj Förfarande för framställning av mikrofibrillerad cellulosa samt produkt
SE539833C2 (sv) * 2016-04-01 2017-12-12 Stora Enso Oyj Process for production of film comprising microfibrillated cellulose
EP3440030A1 (en) * 2016-04-04 2019-02-13 FiberLean Technologies Limited Compositions and methods for providing increased strength in ceiling, flooring, and building products
US10214859B2 (en) 2016-04-05 2019-02-26 Fiberlean Technologies Limited Paper and paperboard products
US11846072B2 (en) 2016-04-05 2023-12-19 Fiberlean Technologies Limited Process of making paper and paperboard products
PT3445900T (pt) 2016-04-22 2022-09-19 Fiberlean Tech Ltd Fibras compreendendo celulose microfibrilada e métodos de fibras e materiais não tecidos das mesmas
SE539950C2 (sv) * 2016-05-20 2018-02-06 Stora Enso Oyj An uv blocking film comprising microfibrillated cellulose, a method for producing said film and use of a composition having uv blocking properties
US10724173B2 (en) 2016-07-01 2020-07-28 Mercer International, Inc. Multi-density tissue towel products comprising high-aspect-ratio cellulose filaments
US10463205B2 (en) 2016-07-01 2019-11-05 Mercer International Inc. Process for making tissue or towel products comprising nanofilaments
US10570261B2 (en) 2016-07-01 2020-02-25 Mercer International Inc. Process for making tissue or towel products comprising nanofilaments
ES3009595T3 (en) 2016-09-01 2025-03-27 Hs Mfg Group Llc Methods for biobased derivatization of cellulosic surfaces
US12467206B2 (en) 2016-09-19 2025-11-11 Mercer International Inc. Absorbent paper products having unique physical strength properties
JP2019534955A (ja) 2016-09-19 2019-12-05 マーサー インターナショナル インコーポレイテッド 特有の物理的強度特性を有する吸収紙製品
SE541755C2 (en) * 2017-03-01 2019-12-10 Stora Enso Oyj Process for production of film comprising microfibrillated cellulose
US10822442B2 (en) 2017-07-17 2020-11-03 Ecolab Usa Inc. Rheology-modifying agents for slurries
US10865317B2 (en) 2017-08-31 2020-12-15 Kimberly-Clark Worldwide, Inc. Low-fluorine compositions with cellulose for generating superhydrophobic surfaces
EP3721010B1 (en) * 2017-12-04 2024-02-14 UPM-Kymmene Corporation A method for manufacturing pulp precursor material for compounding applications and products thereof
US11724941B2 (en) 2018-02-15 2023-08-15 North Carolina State University Synthesis of micron and nanoscale carbon spheres and structures using hydrothemal carbonization
CA3096843C (en) 2018-04-12 2024-10-08 Mercer International, Inc. METHODS FOR IMPROVING HIGH SHAPE FACTOR CELLULOSE FILAMENT BLENDS
CN116444866A (zh) * 2018-07-19 2023-07-18 凯米拉公司 纤维素组合物
FI129352B (sv) * 2019-05-03 2021-12-31 Valmet Technologies Inc Övervakning och styrning av raffinering av fibrös massa

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534912A (en) * 1967-01-11 1970-10-20 Beloit Corp Low speed refining of a papermaking pulp solution
US3591451A (en) * 1969-02-06 1971-07-06 Ethyl Corp Pretreatment of vegetable matter and delignification of the refined matter with chloring dioxide
WO1998002487A1 (fr) * 1996-07-15 1998-01-22 Rhodia Chimie Additivation de nanofibrilles de cellulose essentiellement amorphes avec de la cellulose carboxylee a haut degre de substitution
WO2006089274A1 (en) * 2005-02-19 2006-08-24 International Paper Company Pulp and paper having increased brightness
US7638016B2 (en) * 2005-02-19 2009-12-29 International Paper Company Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness
US7914646B2 (en) * 2006-07-21 2011-03-29 Nalco Company Compositions and processes for paper production
CA2641607C (en) * 2006-02-08 2013-03-26 Stfi-Packforsk Ab Method for the manufacturing of microfibrillated cellulose
EP1994222A1 (en) * 2006-02-20 2008-11-26 Clariant International Ltd. Improved process for the manufacture of paper and board
JP4831570B2 (ja) 2006-03-27 2011-12-07 木村化工機株式会社 機能性粒子含有率の高い機能性セルロース材料及びその製造方法
JP4958097B2 (ja) * 2006-07-19 2012-06-20 国立大学法人京都大学 ナノファイバーシート及びその製造方法並びに繊維強化複合材料
EP2132381A1 (en) * 2007-04-05 2009-12-16 Akzo Nobel N.V. Process for improving optical properties of paper
JP5398180B2 (ja) 2007-06-11 2014-01-29 国立大学法人京都大学 リグニン含有ミクロフィブリル化植物繊維及びその製造方法
US8992728B2 (en) * 2007-11-26 2015-03-31 The University Of Tokyo Cellulose nanofiber, production method of same and cellulose nanofiber dispersion
US8298373B2 (en) * 2008-02-07 2012-10-30 University Of New Brunswick Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents
SE0800807L (sv) 2008-04-10 2009-10-11 Stfi Packforsk Ab Nytt förfarande

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104204345A (zh) * 2012-02-13 2014-12-10 芬欧汇川集团 加工原纤维纤维素的方法、系统和设备以及原纤维纤维素材料

Also Published As

Publication number Publication date
US20130000855A1 (en) 2013-01-03
FI123289B (sv) 2013-01-31
CN102686799A (zh) 2012-09-19
WO2011064441A1 (en) 2011-06-03
EP2504487A1 (en) 2012-10-03
EP2504487B1 (en) 2016-07-20
FI20096233A0 (sv) 2009-11-24
EP2504487A4 (en) 2014-01-22

Similar Documents

Publication Publication Date Title
FI20096233L (sv) Förfarande för tillverkning av nanofibrillerad cellulosamassa och användning av massa vid papperstillverkning eller i nanofibrillerade cellulosakompositer
IL213263A (en) A method for lowering resistance in cellulose or linguocellulose
IL238797A0 (en) Cellulose differs from chemically strong fiber and methods for its preparation and use
EP2432933A4 (en) PROCESS FOR PRODUCTION AND USE OF MICROFIBRILLED PAPER
BR112012000143A2 (pt) processo para produção de celulose microfibrilada e celulose microfibrilada assim produzida
IL207230A0 (en) Tampon including crosslinked cellulose fibers and improved synthesis processes for producing same
FI20105272L (sv) Förfarande för fibrillering av lignocellulosamaterial, fibrer och deras användning
PL2501852T3 (pl) Sposób przetwarzania włókien celulozowych
SI2344689T1 (sl) Postopek za izdelavo vlaken na osnovi celuloze in tako dobljena vlakna
FI20090103L (sv) Förfarande och system för raffinering av träflis eller massafibrer
FI20075735A0 (sv) Förfarande för förbättrande av massans egenskaper
FIU20090296U0 (sv) Maskin för framställning och/eller behandling av en fibermassabana
PT2547823T (pt) Processo para produção de pastas de celulose modificada, pasta de celulose assim obtida e utilização de biopolímero para produção de pastas de celulose
PT2496758E (pt) Método e equipamento para o tratamento da lixívia negra na fábrica de celulose
FI20106347L (sv) Kylning av en cellulosamassabana cooling of a cellulose pulp web
FI20085810A0 (sv) Förfarande och anordning för tillverkning av mekanisk massa
FI20095846L (sv) Förfarande för separering av vatten från fiber- och partikelsuspension vid framställning av cellulosa, papper eller kartong
FI20115913L (sv) Arrangemang och förfarande för kontinuerlig ångförbehandling av flis vid tillverkning av cellulosamassa
PT2294259T (pt) Fibra celulósica e processo para o seu fabrico
FI20085964L (sv) Förfarande och system för behandling av massa
FI20085323L (sv) Schaberbalk och förfarande för att påverka en fiberbanas egenskaper
FI8621U1 (sv) Tillverknings- och/eller behandlingslinje för en fiberbana
FI20085027A0 (sv) Framställnings- och/eller behandlingslinje för fiberbana
FI20085850L (sv) Förfarande för tillverkling av mekanisk massa och användning av mekanisk massa
FI20086034A0 (sv) Förfarande att framställa raffinör och raffinör

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 123289

Country of ref document: FI

Kind code of ref document: B

MD Opposition filed

Opponent name: STORA ENSO OYJ