BR9909945B1 - processo para a produção de papel a partir de suspensão com polìmero orgánico catiÈnico. - Google Patents

processo para a produção de papel a partir de suspensão com polìmero orgánico catiÈnico.

Info

Publication number
BR9909945B1
BR9909945B1 BRPI9909945-4A BR9909945A BR9909945B1 BR 9909945 B1 BR9909945 B1 BR 9909945B1 BR 9909945 A BR9909945 A BR 9909945A BR 9909945 B1 BR9909945 B1 BR 9909945B1
Authority
BR
Brazil
Prior art keywords
organic polymer
cationic organic
paper
production
suspension
Prior art date
Application number
BRPI9909945-4A
Other languages
English (en)
Other versions
BR9909945A (pt
Inventor
Bore Klemets
Hollstroem Hans
Anna Asplund
Rein Sikkar
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=BR9909945(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR9909945A publication Critical patent/BR9909945A/pt
Publication of BR9909945B1 publication Critical patent/BR9909945B1/pt

Links

Classifications

    • 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06Controlling the addition
    • D21H23/08Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
    • 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
    • D21H21/06Paper forming aids
    • D21H21/10Retention agents or drainage improvers
    • 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
    • D21H11/14Secondary fibres
    • 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
    • D21H17/01Waste products, e.g. sludge
    • 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
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • 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
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • D21H17/28Starch
    • 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
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • D21H17/31Gums
    • D21H17/32Guar or other polygalactomannan gum
    • 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
    • D21H17/37Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375Poly(meth)acrylamide
    • 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
    • D21H17/44Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45Nitrogen-containing groups
    • D21H17/455Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • 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
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06Controlling the addition
    • D21H23/08Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
    • D21H23/10Controlling 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)
BRPI9909945-4A 1998-04-27 1999-04-26 processo para a produção de papel a partir de suspensão com polìmero orgánico catiÈnico. BR9909945B1 (pt)

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/SE1999/000677 WO1999055965A1 (en) 1998-04-27 1999-04-26 A process for the production of paper

Publications (2)

Publication Number Publication Date
BR9909945A BR9909945A (pt) 2000-12-26
BR9909945B1 true BR9909945B1 (pt) 2009-08-11

Family

ID=8236970

Family Applications (3)

Application Number Title Priority Date Filing Date
BRPI9909946-2A BR9909946B1 (pt) 1998-04-27 1999-04-26 processo para a produção de papel a partir de uma suspensão contendo um polìmero orgánico catiÈnico, e polìmero de adição de vinila catiÈnico.
BRPI9909945-4A BR9909945B1 (pt) 1998-04-27 1999-04-26 processo para a produção de papel a partir de suspensão com polìmero orgánico catiÈnico.
BR9909947-0A BR9909947A (pt) 1998-04-27 1999-04-26 Processo para produção de papel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI9909946-2A BR9909946B1 (pt) 1998-04-27 1999-04-26 processo para a produção de papel a partir de uma suspensão contendo um polìmero orgánico catiÈnico, e polìmero de adição de vinila catiÈnico.

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR9909947-0A BR9909947A (pt) 1998-04-27 1999-04-26 Processo para produção de papel

Country Status (18)

Country Link
EP (4) EP0953680A1 (pt)
JP (3) JP3890194B2 (pt)
CN (3) CN1139691C (pt)
AT (3) ATE257530T1 (pt)
AU (3) AU747089B2 (pt)
BR (3) BR9909946B1 (pt)
CA (3) CA2329028C (pt)
CZ (3) CZ301693B6 (pt)
DE (3) DE69908938T2 (pt)
DK (3) DK1080271T3 (pt)
ES (3) ES2196815T3 (pt)
ID (3) ID27899A (pt)
NZ (3) NZ507604A (pt)
PL (3) PL200811B1 (pt)
PT (3) PT1080271E (pt)
RU (3) RU2185470C1 (pt)
WO (3) WO1999055964A1 (pt)
ZA (3) ZA200005552B (pt)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100403840B1 (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
KR20030074587A (ko) * 2000-08-07 2003-09-19 악조 노벨 엔.브이. 사이징 분산물
US6918995B2 (en) 2000-08-07 2005-07-19 Akzo Nobel N.V. Process for the production of 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
AU2001288175A1 (en) 2000-09-20 2002-04-02 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
BR0215227A (pt) 2001-12-21 2004-11-16 Akzo Nobel Nv Composição aquosa contendo sìlica e processo para produção de papel
US7156955B2 (en) * 2001-12-21 2007-01-02 Akzo Nobel N.V. Papermaking process using a specified NSF to silica-based particle ratio
JP2005516135A (ja) * 2002-01-31 2005-06-02 アクゾ ノーベル エヌ.ブイ. 紙の製造方法
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
BR0316393A (pt) * 2002-11-19 2005-09-27 Akzo Nobel Nv Produto celulósico e processo para a sua produção
US7303654B2 (en) 2002-11-19 2007-12-04 Akzo Nobel N.V. Cellulosic product and process for its production
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
EP1740500B1 (en) * 2004-04-07 2011-02-09 Akzo Nobel N.V. Silica-based sols and their production and use
GB0425101D0 (en) * 2004-11-15 2004-12-15 Ciba Spec Chem Water Treat Ltd Papermaking process
US7955473B2 (en) * 2004-12-22 2011-06-07 Akzo Nobel N.V. Process for the production of paper
PL1834040T3 (pl) * 2004-12-22 2015-07-31 Akzo Nobel Chemicals Int Bv Sposób wytwarzania papieru
US20060254464A1 (en) 2005-05-16 2006-11-16 Akzo Nobel N.V. Process for the production of paper
CN101351595B (zh) 2005-12-30 2011-09-21 阿克佐诺贝尔股份有限公司 纸的制造方法
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
BR112013000141A2 (pt) * 2010-07-12 2016-05-24 Akzo Nobel Chemicals Int Bv ''composição, método de produção de uma composição, utilizada da composição processo para a produção de uma mistura de polpa de celulose, mistura de polpa de celulose, utilização da mistura de polpa de celulose, processo para a produção de papel e papelão, utilização do papelão, e, embalagem que compreende papelão''
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
JP6990696B2 (ja) * 2016-09-07 2022-01-13 ケミラ ユルキネン オサケイティエ 紙又は板紙等の製造方法及び組成物の使用
BR112019009287B1 (pt) * 2016-12-16 2023-02-14 Kemira Oyj Composição de polímero, seus usos e método para fazer papel ou cartão
CN110462132B (zh) * 2017-03-29 2022-08-05 凯米拉公司 生产纸,纸板或类似物的方法
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
AT525216A1 (de) * 2021-07-15 2023-01-15 Berndorf Band Gmbh Pressvorrichtung mit einer Druckrolle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250269A (en) * 1979-11-26 1981-02-10 Buckman Laboratories, Inc. Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactants
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
FI81860C (fi) * 1984-01-27 1990-12-10 Nalco Chemical Co Nytt foerfarande foer limning av papper.
US4687519A (en) * 1985-12-20 1987-08-18 National Starch And Chemical Corporation Paper size compositions
DE68905208T3 (de) * 1988-03-28 2001-02-15 Allied Colloids Ltd Herstellung von Papier und Pappe.
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
ID16844A (id) * 1996-05-01 1997-11-13 Nalco Chemical Co Proses pembuatan kertas

Also Published As

Publication number Publication date
DE69914078D1 (de) 2004-02-12
DE69908939D1 (de) 2003-07-24
PL200811B1 (pl) 2009-02-27
AU4401599A (en) 1999-11-16
NZ507606A (en) 2003-07-25
WO1999055964A1 (en) 1999-11-04
DK1080271T3 (da) 2003-09-22
AU747089B2 (en) 2002-05-09
RU2185470C1 (ru) 2002-07-20
RU2194106C2 (ru) 2002-12-10
CN1205386C (zh) 2005-06-08
EP1084295B1 (en) 2004-01-07
JP3890194B2 (ja) 2007-03-07
PL344079A1 (en) 2001-09-24
CA2329027C (en) 2005-02-15
CA2329191A1 (en) 1999-11-04
WO1999055965A1 (en) 1999-11-04
AU4401699A (en) 1999-11-16
DE69908938T2 (de) 2003-12-18
JP2002513102A (ja) 2002-05-08
RU2194818C2 (ru) 2002-12-20
CN1300332A (zh) 2001-06-20
DE69914078T2 (de) 2004-10-14
CZ20003938A3 (cs) 2001-07-11
CZ301693B6 (cs) 2010-05-26
EP1080272A1 (en) 2001-03-07
PT1084295E (pt) 2004-04-30
ATE243282T1 (de) 2003-07-15
CZ301092B6 (cs) 2009-11-04
ES2196815T3 (es) 2003-12-16
BR9909947A (pt) 2000-12-26
CZ20003937A3 (cs) 2001-12-12
ZA200005550B (en) 2001-05-11
EP1084295A2 (en) 2001-03-21
ES2211166T3 (es) 2004-07-01
BR9909945A (pt) 2000-12-26
CZ20003939A3 (cs) 2001-12-12
DK1084295T3 (da) 2004-04-26
DK1080272T3 (da) 2003-10-06
EP1080271A1 (en) 2001-03-07
CA2329191C (en) 2006-06-27
PL200673B1 (pl) 2009-01-30
CA2329027A1 (en) 1999-11-04
EP0953680A1 (en) 1999-11-03
WO1999055962A2 (en) 1999-11-04
ID27899A (id) 2001-05-03
PL344053A1 (en) 2001-09-24
JP2002513104A (ja) 2002-05-08
RU2000129670A (ru) 2004-03-27
CA2329028C (en) 2005-11-22
AU750335B2 (en) 2002-07-18
PT1080271E (pt) 2003-10-31
AU4301499A (en) 1999-11-16
JP2002513103A (ja) 2002-05-08
ZA200005552B (en) 2001-05-11
ATE257530T1 (de) 2004-01-15
ATE243281T1 (de) 2003-07-15
EP1080271B1 (en) 2003-06-18
DE69908938D1 (de) 2003-07-24
ID27307A (id) 2001-03-22
NZ507604A (en) 2003-09-26
NZ507605A (en) 2003-01-31
CN1155754C (zh) 2004-06-30
BR9909946B1 (pt) 2009-12-01
ES2201725T3 (es) 2004-03-16
CN1298466A (zh) 2001-06-06
BR9909946A (pt) 2001-03-06
PL344040A1 (en) 2001-09-24
CA2329028A1 (en) 1999-11-04
PT1080272E (pt) 2003-10-31
EP1080272B1 (en) 2003-06-18
JP4307721B2 (ja) 2009-08-05
ID27490A (id) 2001-04-12
WO1999055962A3 (en) 1999-12-16
ZA200005551B (en) 2001-05-11
CN1139691C (zh) 2004-02-25
DE69908939T2 (de) 2004-05-13
AU748735B2 (en) 2002-06-13
CN1299425A (zh) 2001-06-13
PL201054B1 (pl) 2009-03-31

Similar Documents

Publication Publication Date Title
BR9909945B1 (pt) processo para a produção de papel a partir de suspensão com polìmero orgánico catiÈnico.
CA2418424A1 (en) A process for the production of paper
BR9506247A (pt) Processo para a produção de papel
BR8902336A (pt) Processo para producao de papel
BR9602943A (pt) Processo e misturas de polímeros para a produção de papel
BR8806997A (pt) Processo para a producao de papel
ES2046040T3 (es) Un procedimiento para la produccion de papel.
TWI263719B (en) Cellulosic product and process for its production
DE60037658D1 (de) Retentionsmittel enthaltend peo
FI974145A0 (fi) Foerfarande foer att foerbaettra draeneringen av cellulosamassa

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 11/08/2009, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: AKZO NOBEL CHEMICALS INTERNATIONAL B.V. (NL)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2515 DE 19-03-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.