DE69908938T2 - Verfahren zur herstellung von papier - Google Patents

Verfahren zur herstellung von papier

Info

Publication number
DE69908938T2
DE69908938T2 DE69908938T DE69908938T DE69908938T2 DE 69908938 T2 DE69908938 T2 DE 69908938T2 DE 69908938 T DE69908938 T DE 69908938T DE 69908938 T DE69908938 T DE 69908938T DE 69908938 T2 DE69908938 T2 DE 69908938T2
Authority
DE
Germany
Prior art keywords
suspension
wire
producing paper
organic polymer
cationic organic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69908938T
Other languages
German (de)
English (en)
Other versions
DE69908938D1 (de
Inventor
Michael Persson
Hans Haellstroem
Joakim Carlen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzo Nobel NV
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Akzo Nobel NV
Eka Chemicals AB
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=8236970&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69908938(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Akzo Nobel NV, Eka Chemicals AB filed Critical Akzo Nobel NV
Application granted granted Critical
Publication of DE69908938D1 publication Critical patent/DE69908938D1/de
Publication of DE69908938T2 publication Critical patent/DE69908938T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H21/00—Non-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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/01—Waste products, e.g. sludge
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/31—Gums
    • D21H17/32—Guar or other polygalactomannan gum
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
    • D21H23/10—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH at least two kinds of compounds being added

Landscapes

  • Paper (AREA)
  • Polarising Elements (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
DE69908938T 1998-04-27 1999-04-26 Verfahren zur herstellung von papier Expired - Fee Related DE69908938T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8325398P 1998-04-27 1998-04-27
EP98850067A EP0953680A1 (en) 1998-04-27 1998-04-27 A process for the production of paper
PCT/SE1999/000679 WO1999055964A1 (en) 1998-04-27 1999-04-26 A process for the production of paper

Publications (2)

Publication Number Publication Date
DE69908938D1 DE69908938D1 (de) 2003-07-24
DE69908938T2 true DE69908938T2 (de) 2003-12-18

Family

ID=8236970

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69908938T Expired - Fee Related DE69908938T2 (de) 1998-04-27 1999-04-26 Verfahren zur herstellung von papier
DE69908939T Expired - Lifetime DE69908939T2 (de) 1998-04-27 1999-04-26 Verfahren zur herstellung von papier
DE69914078T Expired - Lifetime DE69914078T2 (de) 1998-04-27 1999-04-26 Verfahren zur herstellung von papier

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69908939T Expired - Lifetime DE69908939T2 (de) 1998-04-27 1999-04-26 Verfahren zur herstellung von papier
DE69914078T Expired - Lifetime DE69914078T2 (de) 1998-04-27 1999-04-26 Verfahren zur herstellung von papier

Country Status (18)

Country Link
EP (4) EP0953680A1 (pl)
JP (3) JP3890194B2 (pl)
CN (3) CN1205386C (pl)
AT (3) ATE243282T1 (pl)
AU (3) AU750335B2 (pl)
BR (3) BR9909946B1 (pl)
CA (3) CA2329028C (pl)
CZ (3) CZ301092B6 (pl)
DE (3) DE69908938T2 (pl)
DK (3) DK1080271T3 (pl)
ES (3) ES2196815T3 (pl)
ID (3) ID27490A (pl)
NZ (3) NZ507605A (pl)
PL (3) PL200673B1 (pl)
PT (3) PT1084295E (pl)
RU (3) RU2194106C2 (pl)
WO (3) WO1999055965A1 (pl)
ZA (3) ZA200005552B (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT525216A1 (de) * 2021-07-15 2023-01-15 Berndorf Band Gmbh Pressvorrichtung mit einer Druckrolle

Families Citing this family (41)

* Cited by examiner, † Cited by third party
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KR100403839B1 (ko) * 1998-04-27 2003-11-01 악조 노벨 엔.브이. 제지 방법
US6417268B1 (en) 1999-12-06 2002-07-09 Hercules Incorporated Method for making hydrophobically associative polymers, methods of use and compositions
ATE553259T1 (de) † 2000-08-07 2012-04-15 Akzo Nobel Nv Verfahren zur papierherstellung
US6846384B2 (en) 2000-08-07 2005-01-25 Akzo Nobel N.V. Process for sizing paper
GB0019415D0 (en) * 2000-08-09 2000-09-27 Ciba Spec Chem Water Treat Ltd Noval monomers, polymers thereof and the use of the polymers
WO2002025013A1 (en) 2000-09-20 2002-03-28 Akzo Nobel N.V. A process for the production of paper
DE10113998A1 (de) * 2001-03-22 2002-09-26 Voith Paper Patent Gmbh Verfahren zum Beladen von in einer Faserstoffsuspension enthaltenen Fasern mit einem Hilfsstoff
US7156955B2 (en) * 2001-12-21 2007-01-02 Akzo Nobel N.V. Papermaking process using a specified NSF to silica-based particle ratio
KR20040068321A (ko) 2001-12-21 2004-07-30 악조 노벨 엔.브이. 수성 실리카-함유 조성물 그리고 종이의 제조 공정
WO2003064767A1 (en) * 2002-01-31 2003-08-07 Akzo Nobel N.V. Process for manufacturing paper
WO2004031478A1 (en) * 2002-10-01 2004-04-15 Akzo Nobel N.V. Cationised polysaccharide product
US20040084162A1 (en) 2002-11-06 2004-05-06 Shannon Thomas Gerard Low slough tissue products and method for making same
US7303654B2 (en) 2002-11-19 2007-12-04 Akzo Nobel N.V. Cellulosic product and process for its production
JP2006506549A (ja) * 2002-11-19 2006-02-23 アクゾ ノーベル エヌ．ブイ． セルロース製品及びその製造方法
JP4179913B2 (ja) * 2003-03-31 2008-11-12 ソマール株式会社 紙の製造方法
KR20050058785A (ko) * 2003-12-12 2005-06-17 김재봉 벤토나이트를 함유하는 수용성 중합체 분산액 및 그의제조방법
BRPI0509227B1 (pt) * 2004-04-07 2016-07-12 Akzo Nobel Nv processo para produzir um sol aquoso à base de sílica.
GB0425101D0 (en) * 2004-11-15 2004-12-15 Ciba Spec Chem Water Treat Ltd Papermaking process
CN102226324B (zh) * 2004-12-22 2013-04-17 阿克佐诺贝尔公司 生产纸张的方法
US7955473B2 (en) * 2004-12-22 2011-06-07 Akzo Nobel N.V. Process for the production of paper
US20060254464A1 (en) 2005-05-16 2006-11-16 Akzo Nobel N.V. Process for the production of paper
KR101318317B1 (ko) 2005-12-30 2013-10-15 아크조 노벨 엔.브이. 종이의 제조 방법
US8273216B2 (en) 2005-12-30 2012-09-25 Akzo Nobel N.V. Process for the production of paper
US20070215301A1 (en) * 2006-03-17 2007-09-20 Weyerhaeuser Co. Method for making a low density multi-ply paperboard with high internal bond strength
EP1936032A1 (en) 2006-12-18 2008-06-25 Akzo Nobel N.V. Method of producing a paper product
EP2199462A1 (en) * 2008-12-18 2010-06-23 Coöperatie Avebe U.A. A process for making paper
WO2011113119A1 (en) 2010-03-19 2011-09-22 Fibria Celulose S/A Process for the treatment of cellulose pulps, cellulose pulp thus obtained and use of biopolymer for treating cellulose pulps
EP2402503A1 (en) 2010-06-30 2012-01-04 Akzo Nobel Chemicals International B.V. Process for the production of a cellulosic product
WO2012007363A1 (en) * 2010-07-12 2012-01-19 Akzo Nobel Chemicals International B.V. Cellulosic fibre composition
FI125713B (fi) * 2010-10-01 2016-01-15 Upm Kymmene Corp Menetelmä märän paperirainan ajettavuuden parantamiseksi ja paperi
RU2483151C1 (ru) * 2011-11-10 2013-05-27 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Способ изготовления бумаги для печати
CN104822714B (zh) * 2012-12-07 2017-10-13 日本曹达株式会社 聚合物的制造方法
EP3059739A1 (de) 2015-02-20 2016-08-24 Wicor Holding AG Isolationselement mit geringer elektrischer Leitfähigkeit zur elektrischen Isolation im Hochspannungsbereich
EP3288041A1 (de) 2016-08-23 2018-02-28 Wicor Holding AG Isolationselement mit chemiefasern zur elektrischen isolation im hochspannungsbereich
WO2018046794A1 (en) * 2016-09-07 2018-03-15 Kemira Oyj Method for manufacture of paper, board or the like and use of the composition
ES2836770T3 (es) * 2016-12-16 2021-06-28 Kemira Oyj Composición de polímero y sus usos
CA3056849A1 (en) * 2017-03-29 2018-10-04 Kemira Oyj Method for producing paper or board
WO2019004950A1 (en) * 2017-06-30 2019-01-03 Scg Packaging Public Company Limited HIGH STRENGTH SHEET MATERIAL
RU2671752C1 (ru) * 2017-12-14 2018-11-06 Общество с ограниченной ответственностью "ПАННА" Водорастворимая бумага со схемой для вышивания и способ ее производства
CN109594402A (zh) * 2018-12-28 2019-04-09 江苏理文造纸有限公司 一种利用废水污泥制备牛皮挂面箱板纸的方法
CN109942721B (zh) * 2019-03-20 2021-04-02 淮海工学院 一种羟甲基脲改性阳离子多糖的水溶液

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SE432951B (sv) * 1980-05-28 1984-04-30 Eka Ab Pappersprodukt innehallande cellulosafibrer och ett bindemedelssystem som omfattar kolloidal kiselsyra och katjonisk sterkelse samt forfarande for framstellning av pappersprodukten
AU577735B2 (en) * 1984-01-27 1988-09-29 Nalco Chemical Company Emulsion for paper sizing
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EP0335575B2 (en) * 1988-03-28 2000-08-23 Ciba Specialty Chemicals Water Treatments Limited Production of paper and paper board
US5098520A (en) * 1991-01-25 1992-03-24 Nalco Chemcial Company Papermaking process with improved retention and drainage
GB9313956D0 (en) * 1993-07-06 1993-08-18 Allied Colloids Ltd Production of paper
WO1995002288A1 (en) * 1993-07-07 1995-01-19 Picturetel Corporation Reduction of background noise for speech enhancement
SE9502522D0 (sv) * 1995-07-07 1995-07-07 Eka Nobel Ab A process for the production of paper
AU729008B2 (en) * 1996-05-01 2001-01-25 Nalco Chemical Company Improved papermaking process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT525216A1 (de) * 2021-07-15 2023-01-15 Berndorf Band Gmbh Pressvorrichtung mit einer Druckrolle

Also Published As

Publication number Publication date
BR9909947A (pt) 2000-12-26
EP0953680A1 (en) 1999-11-03
PT1080272E (pt) 2003-10-31
RU2185470C1 (ru) 2002-07-20
DE69914078D1 (de) 2004-02-12
ZA200005550B (en) 2001-05-11
NZ507605A (en) 2003-01-31
CA2329027A1 (en) 1999-11-04
ATE243282T1 (de) 2003-07-15
WO1999055962A3 (en) 1999-12-16
WO1999055965A1 (en) 1999-11-04
BR9909946B1 (pt) 2009-12-01
PT1080271E (pt) 2003-10-31
WO1999055964A1 (en) 1999-11-04
EP1080272B1 (en) 2003-06-18
DK1080272T3 (da) 2003-10-06
CZ301092B6 (cs) 2009-11-04
CZ301693B6 (cs) 2010-05-26
ID27899A (id) 2001-05-03
PL344079A1 (en) 2001-09-24
CN1205386C (zh) 2005-06-08
CA2329027C (en) 2005-02-15
CA2329191A1 (en) 1999-11-04
PL200811B1 (pl) 2009-02-27
JP2002513104A (ja) 2002-05-08
ES2211166T3 (es) 2004-07-01
ID27490A (id) 2001-04-12
AU4301499A (en) 1999-11-16
BR9909945B1 (pt) 2009-08-11
ZA200005552B (en) 2001-05-11
CA2329028A1 (en) 1999-11-04
AU748735B2 (en) 2002-06-13
RU2000129670A (ru) 2004-03-27
EP1084295A2 (en) 2001-03-21
DK1080271T3 (da) 2003-09-22
AU4401599A (en) 1999-11-16
DE69908938D1 (de) 2003-07-24
AU750335B2 (en) 2002-07-18
DE69908939D1 (de) 2003-07-24
CN1300332A (zh) 2001-06-20
DE69914078T2 (de) 2004-10-14
CN1139691C (zh) 2004-02-25
NZ507604A (en) 2003-09-26
PL200673B1 (pl) 2009-01-30
AU4401699A (en) 1999-11-16
ES2196815T3 (es) 2003-12-16
JP3890194B2 (ja) 2007-03-07
EP1080271A1 (en) 2001-03-07
NZ507606A (en) 2003-07-25
RU2194818C2 (ru) 2002-12-20
CZ20003939A3 (cs) 2001-12-12
EP1084295B1 (en) 2004-01-07
PT1084295E (pt) 2004-04-30
EP1080271B1 (en) 2003-06-18
PL344053A1 (en) 2001-09-24
CN1298466A (zh) 2001-06-06
RU2194106C2 (ru) 2002-12-10
DK1084295T3 (da) 2004-04-26
ES2201725T3 (es) 2004-03-16
EP1080272A1 (en) 2001-03-07
ATE257530T1 (de) 2004-01-15
AU747089B2 (en) 2002-05-09
PL344040A1 (en) 2001-09-24
ATE243281T1 (de) 2003-07-15
JP4307721B2 (ja) 2009-08-05
CA2329191C (en) 2006-06-27
CN1299425A (zh) 2001-06-13
WO1999055962A2 (en) 1999-11-04
JP2002513103A (ja) 2002-05-08
ID27307A (id) 2001-03-22
JP2002513102A (ja) 2002-05-08
PL201054B1 (pl) 2009-03-31
DE69908939T2 (de) 2004-05-13
BR9909946A (pt) 2001-03-06
CZ20003938A3 (cs) 2001-07-11
ZA200005551B (en) 2001-05-11
CN1155754C (zh) 2004-06-30
BR9909945A (pt) 2000-12-26
CA2329028C (en) 2005-11-22
CZ20003937A3 (cs) 2001-12-12

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee