AU573360B2 - Papermaking process - Google Patents

Papermaking process

Info

Publication number
AU573360B2
AU573360B2 AU44985/85A AU4498585A AU573360B2 AU 573360 B2 AU573360 B2 AU 573360B2 AU 44985/85 A AU44985/85 A AU 44985/85A AU 4498585 A AU4498585 A AU 4498585A AU 573360 B2 AU573360 B2 AU 573360B2
Authority
AU
Australia
Prior art keywords
cationic
pulp
paper
anionic
binder
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
Application number
AU44985/85A
Other languages
English (en)
Other versions
AU4498585A (en
Inventor
Kjell Rune Andersson
Bernt Larsson
Hans-Olof Thoresson
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.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka 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
Application filed by Eka AB filed Critical Eka AB
Publication of AU4498585A publication Critical patent/AU4498585A/en
Application granted granted Critical
Publication of AU573360B2 publication Critical patent/AU573360B2/en
Anticipated expiration legal-status Critical
Expired 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
    • 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
    • D21H17/29—Starch cationic
    • 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
    • D21H17/63—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Making Paper Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
AU44985/85A 1984-06-07 1985-06-06 Papermaking process Expired AU573360B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8403062A SE8403062L (sv) 1984-06-07 1984-06-07 Forfarande vid papperstillverkning
SE8403062 1984-06-07

Publications (2)

Publication Number Publication Date
AU4498585A AU4498585A (en) 1986-01-10
AU573360B2 true AU573360B2 (en) 1988-06-02

Family

ID=20356162

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44985/85A Expired AU573360B2 (en) 1984-06-07 1985-06-06 Papermaking process

Country Status (16)

Country Link
US (1) US4961825A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0185068B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS61502338A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE46733T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU573360B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8506769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1250703A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE185068T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8703954A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI76392C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO165449C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ212332A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE8403062L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU (1) SU1607691A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1986000100A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA854263B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU579729B2 (en) * 1985-04-03 1988-12-08 Eka Nobel Aktiebolag Papermaking process
AU608577B2 (en) * 1987-03-13 1991-04-11 Roquette Freres Manufacturing process for paper

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8531558D0 (en) * 1985-12-21 1986-02-05 Wiggins Teape Group Ltd Loaded paper
SE8701252D0 (sv) * 1987-03-03 1987-03-25 Eka Nobel Ab Sett vid framstellning av papper
US4927498A (en) * 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking
US5176891A (en) * 1988-01-13 1993-01-05 Eka Chemicals, Inc. Polyaluminosilicate process
US4798653A (en) * 1988-03-08 1989-01-17 Procomp, Inc. Retention and drainage aid for papermaking
SE462721B (sv) * 1988-03-08 1990-08-20 Eka Nobel Ab Saett vid framstaellning av papper genom formning och avvattning av en suspension av cellulosainnehaallande fibrer
SE461156B (sv) * 1988-05-25 1990-01-15 Eka Nobel Ab Saett foer framstaellning av papper varvid formning och avvattning aeger rum i naervaro av en aluminiumfoerening, ett katjoniskt retentionsmedel och en polymer kiselsyra
BR8903325A (pt) * 1988-08-26 1990-03-13 Nalco Chemical Co Processo de fabricacao de papel
SE467627B (sv) * 1988-09-01 1992-08-17 Eka Nobel Ab Saett vid framstaellning av papper
EP0359552B1 (en) * 1988-09-16 1993-05-19 E.I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
US5185206A (en) * 1988-09-16 1993-02-09 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
US5294299A (en) * 1988-11-07 1994-03-15 Manfred Zeuner Paper, cardboard or paperboard-like material and a process for its production
SE500387C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler, förfarande för framställning av silikasoler samt användning av solerna i pappersframställning
SE500367C2 (sv) * 1989-11-09 1994-06-13 Eka Nobel Ab Silikasoler och förfarande för framställning av papper
US5032227A (en) * 1990-07-03 1991-07-16 Vinings Industries Inc. Production of paper or paperboard
SE502192C2 (sv) * 1990-12-11 1995-09-11 Eka Nobel Ab Upplösningsförfarande avsett för en lösning innehållande höghaltjoniserad stärkelse
SE9003954L (sv) * 1990-12-11 1992-06-12 Eka Nobel Ab Saett foer framstaellning av ark- eller banformiga cellulosafiberinnehaallande produkter
US5098520A (en) * 1991-01-25 1992-03-24 Nalco Chemcial Company Papermaking process with improved retention and drainage
EP0592572B1 (en) * 1991-07-02 1998-01-14 Eka Chemicals AB A process for the manufacture of paper
FR2678961B1 (fr) * 1991-07-12 1993-10-15 Atochem Procede nouveau de fabrication de papier et papier ainsi obtenu.
US5221435A (en) * 1991-09-27 1993-06-22 Nalco Chemical Company Papermaking process
SE9103140L (sv) * 1991-10-28 1993-04-29 Eka Nobel Ab Hydrofoberat papper
SE501216C2 (sv) * 1992-08-31 1994-12-12 Eka Nobel Ab Vattenhaltig, stabil suspension av kolloidala partiklar samt framställning och användning av densamma
US5584966A (en) * 1994-04-18 1996-12-17 E. I. Du Pont De Nemours And Company Paper formation
US5942086A (en) * 1994-08-16 1999-08-24 Philip Chem-Solv, Inc. Application of material to a substrate
NL9401487A (nl) * 1994-09-13 1996-04-01 Avebe Coop Verkoop Prod Werkwijze voor het vervaardigen van papier, alsmede aldus vervaardigd papier.
SE9404201D0 (sv) * 1994-12-02 1994-12-02 Eka Nobel Ab Sizing dispersions
US6228217B1 (en) * 1995-01-13 2001-05-08 Hercules Incorporated Strength of paper made from pulp containing surface active, carboxyl compounds
FR2732368B1 (fr) * 1995-03-31 1997-06-06 Roquette Freres Nouveau procede de fabrication de papier
SE9501769D0 (sv) * 1995-05-12 1995-05-12 Eka Nobel Ab A process for the production of paper
US5846384A (en) * 1995-06-15 1998-12-08 Eka Chemicals Ab Process for the production of paper
SE9502522D0 (sv) * 1995-07-07 1995-07-07 Eka Nobel Ab A process for the production of paper
SE513411C2 (sv) * 1995-07-17 2000-09-11 Sveriges Staerkelseproducenter Användning av katjonisk stärkelse av amylopektintyp som retentionsförbättrande tillsats vid papperstillverkning
US5595630A (en) * 1995-08-31 1997-01-21 E. I. Du Pont De Nemours And Company Process for the manufacture of paper
SE9504081D0 (sv) * 1995-11-15 1995-11-15 Eka Nobel Ab A process for the production of paper
SE9600285D0 (sv) 1996-01-26 1996-01-26 Eka Nobel Ab Modification of starch
EP0824161A3 (de) * 1996-08-12 1998-04-08 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt Stärke und Stärkederivate für die Papierindustrie
ID23976A (id) 1997-06-09 2000-06-14 Akzo Nobel Nv Mikrogel-mikrogel polisilikat dan bahan-bahan berdasar silika
JP3434520B2 (ja) 1997-06-09 2003-08-11 アクゾ ノーベル エヌ．ブイ． ポリ珪酸塩ミクロゲル
FR2766849B1 (fr) * 1997-08-01 1999-12-24 Rhodia Chimie Sa Procede de fabrication de papier utilisant un nouveau systeme de retention comprenant une silice precipitee et un polymere cationique
KR100403839B1 (ko) 1998-04-27 2003-11-01 악조 노벨 엔.브이. 제지 방법
EP0953680A1 (en) * 1998-04-27 1999-11-03 Akzo Nobel N.V. A process for the production of paper
US7306700B1 (en) 1998-04-27 2007-12-11 Akzo Nobel Nv Process for the production of paper
US6083997A (en) 1998-07-28 2000-07-04 Nalco Chemical Company Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking
US6217709B1 (en) 1998-11-23 2001-04-17 Hercules Incorporated Cationic starch/cationic galactomannan gum blends as strength and drainage aids
CA2371492C (en) * 1999-05-04 2008-02-05 Akzo Nobel N.V. Silica-based sols
US7169261B2 (en) 1999-05-04 2007-01-30 Akzo Nobel N.V. Silica-based sols
TW550325B (en) 1999-11-08 2003-09-01 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
TW483970B (en) 1999-11-08 2002-04-21 Ciba Spec Chem Water Treat Ltd A process for making paper and paperboard
TW524910B (en) 1999-11-08 2003-03-21 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
TW527457B (en) 1999-11-08 2003-04-11 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
US6379501B1 (en) * 1999-12-14 2002-04-30 Hercules Incorporated Cellulose products and processes for preparing the same
DE60024138T2 (de) 1999-12-20 2006-07-20 Akzo Nobel N.V. Sole auf der basis von kieselsäure
DE10024437A1 (de) * 2000-05-19 2001-11-29 Aventis Res & Tech Gmbh & Co Verfahren zur selektiven Herstellung von Essigsäure durch katalytische Oxidation von Ethan
EP1160379B2 (en) * 2000-05-31 2011-03-16 Oji Paper Co., Ltd. Paper for use in molding
AU2001288175A1 (en) 2000-09-20 2002-04-02 Akzo Nobel N.V. A process for the production of paper
MY140287A (en) 2000-10-16 2009-12-31 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
FR2819246B1 (fr) * 2000-12-27 2003-10-03 Rhodia Chimie Sa Suspensions de silice precipitee, dopee et de faible granulometrie et leur application comme charge pour papier
US7189776B2 (en) 2001-06-12 2007-03-13 Akzo Nobel N.V. Aqueous composition
US20040104004A1 (en) * 2002-10-01 2004-06-03 Fredrik Solhage Cationised polysaccharide product
US20040138438A1 (en) * 2002-10-01 2004-07-15 Fredrik Solhage Cationised polysaccharide product
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
CN1784525A (zh) * 2003-05-09 2006-06-07 阿克佐诺贝尔公司 一种造纸方法
US6906404B2 (en) * 2003-05-16 2005-06-14 Ballard Power Systems Corporation Power module with voltage overshoot limiting
DE102004020112A1 (de) * 2003-07-04 2005-01-20 Bayer Chemicals Ag Papierherstellung mit modifizierten Kieselsolen als Mikropartikel
PL1644579T3 (pl) 2003-07-04 2008-11-28 Kemira Oyj Wytwarzanie papieru z użyciem modyfikowanych zoli krzemionkowych jako mikrocząstek
GB0402470D0 (en) 2004-02-04 2004-03-10 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
GB0402469D0 (en) * 2004-02-04 2004-03-10 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
US7629392B2 (en) 2004-04-07 2009-12-08 Akzo Nobel N.V. Silica-based sols and their production and use
US7732495B2 (en) 2004-04-07 2010-06-08 Akzo Nobel N.V. Silica-based sols and their production and use
US20050257909A1 (en) * 2004-05-18 2005-11-24 Erik Lindgren Board, packaging material and package as well as production and uses thereof
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
KR101242490B1 (ko) 2005-12-30 2013-03-12 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
PL1974097T3 (pl) 2006-01-17 2018-07-31 International Paper Company Podłoża papierowe zawierające duże ilości powierzchniowych środków zaklejających i niskiej wewnętrznej zawartości kleju do zaklejania papieru oraz o dużej stabilności wymiarowej
RU2449070C1 (ru) * 2006-01-17 2012-04-27 Интернэшнл Пэйпа Кампани Бумажные основы с повышенной проклейкой поверхности и низкой проклейкой полотна, обладающие высокой стабильностью размеров
US8728274B2 (en) * 2006-09-22 2014-05-20 Akzo Nobel N.V. Treatment of pulp
CA2671041A1 (en) * 2006-12-01 2008-06-05 Akzo Nobel N.V. Cellulosic product
US8157962B2 (en) * 2006-12-21 2012-04-17 Akzo Nobel N.V. Process for the production of cellulosic product
DE102008000811A1 (de) 2007-03-29 2008-10-09 Basf Se Verfahren zur Herstellung von Papier
RU2496936C2 (ru) * 2007-05-23 2013-10-27 Акцо Нобель Н.В. Способ получения целлюлозного продукта
AR066831A1 (es) 2007-06-07 2009-09-16 Akzo Nobel Nv Soles a base de silice
CL2008002019A1 (es) * 2007-07-16 2009-01-16 Akzo Nobel Chemicals Int Bv Composicion de carga que comprende una carga, un compuesto inorganico cationico, un compuesto organico cationico y un polisacarido anionico; metodo para preparar dicha composicion; uso como aditivo para una suspension celulosica acuosa; procedimiento para producir papel; y papel.
FI20085227A7 (fi) * 2008-03-14 2009-09-15 Nordkalk Oy Ab Lujitettu huokoinen kuitutuote
PT2559809E (pt) 2008-03-31 2016-01-15 Int Paper Co Folha de registo com qualidade de impressão melhorada a baixos niveis de aditivos
NZ589910A (en) 2008-06-19 2013-03-28 Buckman Labor Inc Low amidine content polyvinylamine, compositions containing same and methods
MX2011013980A (es) * 2009-06-29 2012-04-02 Buckman Labor Inc Fabricacion de papel y productos hechos de esta manera con poliacrilamida glioxalada de alto contenido de solido y microparticulas que contienen silicio.
US20100330366A1 (en) * 2009-06-30 2010-12-30 Keiser Bruce A Silica-based particle composition
EP2402503A1 (en) 2010-06-30 2012-01-04 Akzo Nobel Chemicals International B.V. Process for the production of a cellulosic product
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
US8916024B2 (en) * 2011-12-01 2014-12-23 Buckman Laboratories International, Inc. Method and system for producing market pulp and products thereof
US9404223B2 (en) 2012-02-01 2016-08-02 Basf Se Process for the manufacture of paper and paperboard
ES2663384T5 (es) 2012-03-01 2024-10-18 Basf Se Proceso para la fabricación de papel y cartón
KR20150063561A (ko) * 2012-10-05 2015-06-09 스페셜티 미네랄스 (미시간) 인코포레이티드 충전제 현탁액 및 종이 제조에 있어서의 이의 용도
CA2897185C (en) 2013-01-11 2018-10-09 Basf Se Process for the manufacture of paper and paperboard
BR112016002353B1 (pt) 2013-08-23 2021-12-28 Akzo Nobel Chemicals International B.V. Sílica coloidal, processo para produção de uma sílica coloidal, uso da sílica coloidal, e processo para produção de papel e papelão
CN104947499B (zh) 2013-12-18 2018-01-19 艺康美国股份有限公司 硅溶胶、制备其的设备和方法和其在造纸中的应用
WO2021256911A1 (ru) * 2020-06-19 2021-12-23 Айнур Алимбаевна ИБЖАНОВА Способ получения целлюлозы из рисовой соломы и бумаги из неё

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US4305782A (en) * 1979-04-06 1981-12-15 Amf Incorporated Filter and method of making same
US4388150A (en) * 1980-05-28 1983-06-14 Eka Aktiebolag Papermaking and products made thereby
WO1983001970A1 (en) * 1981-11-27 1983-06-09 Larsson, Hans, Magnus A process for paper making and paper product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU579729B2 (en) * 1985-04-03 1988-12-08 Eka Nobel Aktiebolag Papermaking process
AU608577B2 (en) * 1987-03-13 1991-04-11 Roquette Freres Manufacturing process for paper

Also Published As

Publication number Publication date
DE185068T1 (de) 1986-11-06
NO165449C (no) 1991-02-13
EP0185068B1 (en) 1989-09-27
BR8506769A (pt) 1986-09-23
FI860548A0 (fi) 1986-02-06
AU4498585A (en) 1986-01-10
DE3573282D1 (en) 1989-11-02
SE8403062L (sv) 1985-12-08
ZA854263B (en) 1986-01-29
FI76392B (fi) 1988-06-30
ES543934A0 (es) 1987-03-01
SE8403062D0 (sv) 1984-06-07
NO860422L (no) 1986-02-06
JPH0219238B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-05-01
CA1250703A (en) 1989-03-07
JPS61502338A (ja) 1986-10-16
ATE46733T1 (de) 1989-10-15
SU1607691A3 (ru) 1990-11-15
NO165449B (no) 1990-11-05
FI76392C (fi) 1988-10-10
FI860548L (fi) 1986-02-06
US4961825A (en) 1990-10-09
WO1986000100A1 (en) 1986-01-03
EP0185068A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-06-25
NZ212332A (en) 1988-11-29
ES8703954A1 (es) 1987-03-01

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