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FI20030899L - Ksylanaasia käsittävät alkaliset uuttovaiheet - Google Patents

Ksylanaasia käsittävät alkaliset uuttovaiheet Download PDF

Info

Publication number
FI20030899L
FI20030899L FI20030899A FI20030899A FI20030899L FI 20030899 L FI20030899 L FI 20030899L FI 20030899 A FI20030899 A FI 20030899A FI 20030899 A FI20030899 A FI 20030899A FI 20030899 L FI20030899 L FI 20030899L
Authority
FI
Finland
Prior art keywords
xylanase
extraction steps
steps involving
alkaline extraction
alkaline
Prior art date
Application number
FI20030899A
Other languages
English (en)
Swedish (sv)
Other versions
FI20030899A7 (fi
Inventor
Jeff Tolan
Corina Popvici
Patrick J Foody
Original Assignee
Iogen Bio Products 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=22979360&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI20030899(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Iogen Bio Products Corp filed Critical Iogen Bio Products Corp
Publication of FI20030899A7 publication Critical patent/FI20030899A7/fi
Publication of FI20030899L publication Critical patent/FI20030899L/fi

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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1057Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI20030899A 2000-12-22 2001-12-19 Ksylanaasia käsittävät alkaliset uuttovaiheet FI20030899L (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25816300P 2000-12-22 2000-12-22
PCT/CA2001/001837 WO2002052100A2 (en) 2000-12-22 2001-12-19 Alkaline extraction stages comprising xylanase

Publications (2)

Publication Number Publication Date
FI20030899A7 FI20030899A7 (fi) 2003-08-20
FI20030899L true FI20030899L (fi) 2003-08-20

Family

ID=22979360

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20030899A FI20030899L (fi) 2000-12-22 2001-12-19 Ksylanaasia käsittävät alkaliset uuttovaiheet

Country Status (6)

Country Link
US (1) US7541175B1 (fi)
AU (1) AU2002226210A1 (fi)
CA (1) CA2432788C (fi)
FI (1) FI20030899L (fi)
SE (1) SE526052E8 (fi)
WO (1) WO2002052100A2 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20030899L (fi) 2000-12-22 2003-08-20 Iogen Bio Products Corp Ksylanaasia käsittävät alkaliset uuttovaiheet
WO2003074780A1 (en) * 2002-03-06 2003-09-12 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
WO2003106654A2 (en) 2002-06-14 2003-12-24 Diversa Corporation Xylanases, nucleic adics encoding them and methods for making and using them
CA2946924A1 (en) 2006-02-14 2007-08-23 Bp Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them
RU2464313C2 (ru) * 2006-04-12 2012-10-20 Нэйшенл Рисерч Каунсил Оф Кэнэда Модифицированная ксиланаза
FI129086B (fi) * 2012-09-14 2021-06-30 Teknologian Tutkimuskeskus Vtt Oy Menetelmä liukosellun valmistamiseksi
US10584442B2 (en) 2014-11-17 2020-03-10 Novozymes A/S Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp
FI127996B (fi) * 2016-07-01 2019-07-15 Kemira Oyj Prosessi sellun käsittelemiseksi
JP7135334B2 (ja) * 2018-02-22 2022-09-13 株式会社豊田中央研究所 キシラナーゼ及びその利用
CN114402105B (zh) * 2019-07-26 2024-01-30 诺维信公司 纸浆的酶处理
CN117005231A (zh) * 2023-09-07 2023-11-07 齐鲁工业大学(山东省科学院) 一种生物酶复合预处理改善麦草氧碱浆性能的方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
FI86896B (fi) 1989-05-04 1992-07-15 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa.
FI89814C (fi) 1990-02-02 1993-11-25 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
DE4129739A1 (de) 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
CA2058179C (en) 1991-12-20 1999-02-09 Roland Drolet Basic electrophysiological conditioning system and method
US6007678A (en) 1992-11-27 1999-12-28 Eka Nobel Ab Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof
BE1007651A3 (fr) 1993-10-22 1995-09-05 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
EP0686193B1 (en) 1993-12-24 2010-08-11 DSM IP Assets B.V. Alkali-tolerant xylanases
US5437992A (en) 1994-04-28 1995-08-01 Genencor International, Inc. Five thermostable xylanases from microtetraspora flexuosa for use in delignification and/or bleaching of pulp
US5620563A (en) 1994-10-31 1997-04-15 Pulp Paper Res Inst Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator
JP3435946B2 (ja) * 1994-12-21 2003-08-11 王子製紙株式会社 耐熱性キシラナーゼ
DE69631899T2 (de) 1995-12-18 2004-11-04 Aktiebolaget Enzymes Oy Xylanasen, für diese kodierende gene und anwendungen derselben
US5759840A (en) * 1996-09-09 1998-06-02 National Research Council Of Canada Modification of xylanase to improve thermophilicity, alkalophilicity and thermostability
FI20030899L (fi) 2000-12-22 2003-08-20 Iogen Bio Products Corp Ksylanaasia käsittävät alkaliset uuttovaiheet
AU2002229430A1 (en) * 2001-01-18 2002-07-30 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
WO2003074780A1 (en) * 2002-03-06 2003-09-12 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp

Also Published As

Publication number Publication date
AU2002226210A1 (en) 2002-07-08
FI20030899A7 (fi) 2003-08-20
SE526052E8 (sv) 2015-10-20
SE526052E (sv) 2010-02-09
WO2002052100A2 (en) 2002-07-04
SE526052C2 (sv) 2005-06-21
SE0301773D0 (sv) 2003-06-19
SE0301773L (sv) 2003-08-22
US7541175B1 (en) 2009-06-02
WO2002052100A3 (en) 2003-06-12
CA2432788C (en) 2008-10-07
CA2432788A1 (en) 2002-07-04

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