ZA943025B - Dissolved solids control in pulp production - Google Patents

Dissolved solids control in pulp production

Info

Publication number
ZA943025B
ZA943025B ZA943025A ZA943025A ZA943025B ZA 943025 B ZA943025 B ZA 943025B ZA 943025 A ZA943025 A ZA 943025A ZA 943025 A ZA943025 A ZA 943025A ZA 943025 B ZA943025 B ZA 943025B
Authority
ZA
South Africa
Prior art keywords
screen
digester
vessel
cooking
circulation loop
Prior art date
Application number
ZA943025A
Other languages
English (en)
Inventor
Bruno S Marcoccia
Robert J Prough
Richard O Laakso
Joseph R Phillips
Rolf C Ryham
Jan T Richardsen
Fred R Chasse
Original Assignee
Kamyr Inc
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=22002920&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA943025(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kamyr Inc filed Critical Kamyr Inc
Publication of ZA943025B publication Critical patent/ZA943025B/xx

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
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • 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
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/04Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping 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
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/224Use of means other than pressure and temperature
    • 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
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
    • D21C3/24Continuous 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
    • D21C7/00Digesters
    • 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
    • D21C7/00Digesters
    • D21C7/12Devices for regulating or controlling
    • 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
    • D21C7/00Digesters
    • D21C7/14Means for circulating the lye
    • 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
    • D21C9/02Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G7/00Damping devices

Landscapes

  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Glass Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Seasonings (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Hybrid Cells (AREA)
ZA943025A 1993-05-04 1994-05-03 Dissolved solids control in pulp production ZA943025B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/056,211 US5489363A (en) 1993-05-04 1993-05-04 Pulping with low dissolved solids for improved pulp strength

Publications (1)

Publication Number Publication Date
ZA943025B true ZA943025B (en) 1995-01-30

Family

ID=22002920

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA943025A ZA943025B (en) 1993-05-04 1994-05-03 Dissolved solids control in pulp production

Country Status (18)

Country Link
US (8) US5489363A (xx)
EP (5) EP1873303A3 (xx)
JP (1) JP2971947B2 (xx)
CN (2) CN1047640C (xx)
AT (4) ATE325922T1 (xx)
AU (1) AU690105B2 (xx)
BR (1) BR9406623A (xx)
CA (2) CA2159998C (xx)
DE (4) DE69432515T9 (xx)
ES (4) ES2263907T3 (xx)
FI (1) FI120650B (xx)
ID (2) ID16427A (xx)
NO (2) NO313887B2 (xx)
NZ (1) NZ263656A (xx)
PT (4) PT1126075E (xx)
RU (2) RU2127783C1 (xx)
WO (1) WO1994025668A1 (xx)
ZA (1) ZA943025B (xx)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
US5575890A (en) * 1993-05-04 1996-11-19 Kamyr, Inc. Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood
SE502134C2 (sv) * 1994-02-10 1995-08-28 Kvaerner Pulping Tech Optimering av vätske/ved-förhållande i förimpregneringskärl och kontinuerlig kokare vid framställning av kemisk massa
US6030493A (en) * 1994-11-04 2000-02-29 Kvaerner Pulping, Ab Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
AT403301B (de) * 1996-04-04 1998-01-26 Impco Voest Alpine Pulp Tech Kontinuierliche flüssigkeitsführung
US6475338B1 (en) 1996-06-05 2002-11-05 Andritz Inc. Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester
US5736006A (en) * 1996-10-10 1998-04-07 Ahlstrom Machinery Inc. Method and apparatus for pulping with controlled heating to improve delignification and pulp strength
AU772619B2 (en) * 1997-03-12 2004-05-06 Abbvie Inc. Hydrophilic binary systems for the administration of cyclosporine
US5958181A (en) * 1997-08-07 1999-09-28 Ahlstrom Machinery, Inc. Continuous cooking with a two-stage cool impregnation
CA2216046A1 (en) * 1997-09-18 1999-03-18 Kenneth Boegh In-line sensor for colloidal and dissolved substances
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
EP0919889A1 (en) * 1997-11-26 1999-06-02 Siemens Aktiengesellschaft Modelling, simulation and optimisation of continuous Kamyr digester systems
US6241851B1 (en) 1998-03-03 2001-06-05 Andritz-Ahlstrom Inc. Treatment of cellulose material with additives while producing cellulose pulp
US6277240B1 (en) 1998-10-02 2001-08-21 Andritz-Ahlstrom Inc. Method for continuously pulping cellulosic fibrous material
US6368453B1 (en) 1999-03-18 2002-04-09 Andritz Inc. Chip feeding to a comminuted cellulosic fibrous material treatment vessel
CA2318027C (en) 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
CA2386369A1 (en) * 1999-11-18 2001-05-25 Hottinger Maschinenbau Gmbh Method for producing casting molds
US6451172B1 (en) 2000-05-18 2002-09-17 Andritz Inc. In-line drainer enhancements
US6436233B1 (en) 2000-05-18 2002-08-20 Andritz Inc. Feeding cellulose material to a treatment vessel
US6752903B2 (en) * 2001-07-27 2004-06-22 Craig A. Bianchini Method for mitigating the interference caused by high-molecular weight by-products in pulping processes
ITFI20010160A1 (it) * 2001-08-24 2003-02-24 Cima Impianti Spa Macchina di vulcanizzazione per la produzione di pneumatici per veicoli stradali ed altri
SE520956C2 (sv) 2001-12-05 2003-09-16 Kvaerner Pulping Tech Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren
US20030131956A1 (en) * 2002-01-16 2003-07-17 Stromberg C. Bertil Continuous pulping processes and systems
US6896810B2 (en) * 2002-08-02 2005-05-24 Rayonier Products And Financial Services Company Process for producing alkaline treated cellulosic fibers
FI115977B2 (fi) * 2003-04-07 2019-03-29 Stora Enso Oyj Alkalisen pesunesteen puhdistaminen
SE527058C2 (sv) * 2004-02-09 2005-12-13 Kvaerner Pulping Tech Kontinuerlig kokprocess med förbättrad värmeekonomi
US7452444B2 (en) * 2004-05-26 2008-11-18 International Paper Company Digester wash extraction by individual screen flow control
US20050274468A1 (en) * 2004-05-28 2005-12-15 Metso Paper, Inc. Central screen
US7241363B2 (en) * 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
US20060157209A1 (en) * 2005-01-19 2006-07-20 Bianchini Craig A Method and apparatus to distribute the inflow of liquors in a Batch Digester
EP1883731B1 (en) 2005-05-24 2015-11-11 International Paper Company Modified kraft fibers
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
AT503610B1 (de) * 2006-05-10 2012-03-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
RU2445414C2 (ru) * 2006-05-19 2012-03-20 Дзе Рисерч Фаундейшн Оф Стейт Юниверсити Оф Нью Йорк Способы карбонатной предварительной обработки и варки целлюлозного материала
WO2008123355A1 (ja) 2007-03-30 2008-10-16 Kabushiki Kaisha Kobe Seiko Sho アルミニウム合金厚板の製造方法及びアルミニウム合金厚板
US8444809B2 (en) * 2007-06-25 2013-05-21 Andritz Inc. Method and system for direct contact of hot liquor with wood chips in transfer circulation
CN101796247B (zh) * 2007-09-03 2014-01-22 诺维信公司 脱毒和再循环在含木素纤维素材料的预处理中使用的洗涤溶液
WO2009117402A2 (en) * 2008-03-18 2009-09-24 The Research Foundation Of State University Of New York Methods of pretreating comminuted cellulosic material with carbonate-containing solutions
SE532930C2 (sv) * 2008-03-20 2010-05-11 Metso Fiber Karlstad Ab Matningssystem innefattande parallella pumpar för en kontinuerlig kokare
US7867363B2 (en) * 2008-08-27 2011-01-11 Metso Fiber Karlstad Ab Continuous digester system
SE532855C2 (sv) * 2008-10-13 2010-04-20 Metso Fiber Karlstad Ab Förfarande för att förhindra igensättning i en silkonstruktion för en kontinuerlig kokare
WO2010137535A1 (ja) 2009-05-26 2010-12-02 日本製紙株式会社 リグノセルロース材料の蒸解法
EP2508671B8 (en) * 2009-12-01 2015-04-08 Nippon Paper Industries Co., Ltd. Cellulose nanofibers and method of producing cellulose nanofibers
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
MY157311A (en) * 2010-05-04 2016-05-31 Bahia Specialty Cellulose Sa Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
US20120031574A1 (en) * 2010-07-07 2012-02-09 Andritz Inc. Chip feed and steaming system and method for batch digester
FI20115754A0 (fi) * 2011-03-22 2011-07-15 Andritz Oy Menetelmä ja järjestely kemiallisen massan käsittelemiseksi
CN102787521A (zh) * 2011-05-16 2012-11-21 张世乐 一种用于间歇蒸煮的蒸煮液补偿技术
US8685205B2 (en) 2012-07-31 2014-04-01 Andritz Inc. Flash tank with compact steam discharge assembly
CN102936862A (zh) * 2012-11-26 2013-02-20 天津市恒脉机电科技有限公司 一种间歇置换蒸煮生产纸浆的系统
PL2977511T3 (pl) 2013-03-21 2020-07-13 Japan Tobacco Inc. Sposób wytwarzania ługu czarnego i sposób wytwarzania cieczy zawierającej składnik aromatyzujący
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus
TR201409682A2 (tr) * 2014-08-19 2016-03-21 Univ Istanbul Teknik Bir yığın delignifikasyonu.
RU2665424C1 (ru) * 2014-08-26 2018-08-29 Вальмет Аб Экономически эффективный способ сульфатной варки с применением полисульфидного варочного щелока
CN105084010B (zh) * 2015-08-12 2017-11-21 海南金海浆纸业有限公司 一种高压喂料器及系统
CN110670400B (zh) * 2019-09-25 2020-11-27 刘澄 一种用于卫生巾艾绒芯片立式蒸煮釜
UY39227A (es) * 2020-05-22 2021-12-31 Suzano Sa Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200032A (en) * 1961-12-23 1965-08-10 Kamyr Ab Continuous process for digesting cellulosic material
DE1296503B (de) * 1963-03-01 1969-05-29 Skogsaegarnas Ind Aktiebolag Verfahren zum Vermeiden der Bildung fluechtiger uebelriechender Stoffe bei der Herstellung von Sulfatzellstoff
FI44514B (xx) * 1963-12-13 1971-08-02 Kamyr Ab
US3413189A (en) * 1964-01-29 1968-11-26 Kamyr Ab Method of performing hydrolysis and alkalic digestion of cellulosic fiber material with prevention of lignin precipitation
US3427218A (en) * 1964-07-10 1969-02-11 Kamyr Ab Method of performing counter-current continuous cellulose digestion
FR1510761A (fr) * 1966-03-03 1968-01-19 Mo Och Domsjoe Ab Procédé pour l'accroissement du rendement de la préparation de pâtes à papier par voie alcaline
US3573157A (en) * 1967-05-08 1971-03-30 Domtar Ltd Increasing the polysulfide content of an alkaline pulp impregnation liquor
US3705077A (en) * 1970-10-09 1972-12-05 Texaco Inc Waste disposal process for spent wood-pulping liquors
SE345885B (xx) * 1970-12-30 1972-06-12 Svenska Cellulosa Ab
SU587191A1 (ru) * 1976-02-18 1978-01-05 Ленинградская Ордена Ленина Лесотехническая Академия Им.С.М.Кирова Способ получени сульфатной целлюлозы
JPS52121501A (en) * 1976-04-07 1977-10-13 Mitsubishi Heavy Ind Ltd Process and apparatus for removing badly smelling constituents from kraft digesting liquid
SU639592A1 (ru) * 1976-06-07 1978-12-30 Chesnokov Vadim D Бункерный агрегат
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
SU751808A1 (ru) * 1978-05-22 1980-07-30 Ордена Трудового Красного Знамени Институт Высокомолекулярных Соединений Ан Ссср Способ получени микрокристалической целлюлозы
SU907116A1 (ru) * 1979-08-07 1982-02-23 Архангельский Ордена Трудового Красного Знамени Лесотехнический Институт Им.В.В.Куйбышева Устройство дл непрерывной варки мелкофракционного лигноцеллюлозного сырь
FI63610C (fi) 1981-12-31 1983-07-11 Ekono Oy Foerfarande foer kontinuerlig uppslutning av finfoerdelat material
SE452482B (sv) * 1982-04-28 1987-11-30 Sunds Defibrator Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad
SU1134564A1 (ru) * 1982-07-05 1985-01-15 Ордена Трудового Красного Знамени Институт Высокомолекулярных Соединений Ан Ссср Способ получени однородной по молекул рной массе целлюлозы
FI65455B (fi) * 1982-12-28 1984-01-31 Larox Ag Foerfarande foer behandling av mesa uppkommen i en kausticeringsprocess i en sulfatcellulosafabrik
US4604957A (en) * 1983-11-05 1986-08-12 Sunds Defibrator Ab Method for wet combustion of organic material
SE452343B (sv) * 1984-02-22 1987-11-23 Billeruds Ab Sett och utrustning vid kontinuerlig cellulosakokning
FI69854C (fi) * 1984-04-02 1986-05-26 Enso Gutzeit Oy Foerfarande foer foervaratagning av loesliga kolhydrater i trae
SE453840B (sv) * 1984-12-21 1988-03-07 Mo Och Domsjoe Ab Forfarande vid framstellning av cellulosamassa
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
SU1491920A1 (ru) * 1987-12-28 1989-07-07 Ленинградский технологический институт целлюлозно-бумажной промышленности Способ получени сульфатной целлюлозы
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
US5192396A (en) * 1988-12-20 1993-03-09 Kamyr Ab Process for the continuous digestion of cellulosic fiber material
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
SU1696330A1 (ru) * 1989-09-05 1991-12-07 Центральное Проектно-Конструкторское И Технологическое Бюро "Росагропромремтехпроект" Санитарно-технический блок автопередвижной лаборатории
CA2037717C (en) * 1990-09-17 1996-03-05 Bertil Stromberg Extended kraft cooking with white liquor added to wash circulation
EP0477059B1 (en) * 1990-09-20 1995-07-12 Kvaerner Pulping Technologies AB Impregnation with black liquor prior to white liquor introduction
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling

Also Published As

Publication number Publication date
DE69434733D1 (de) 2006-06-14
NO954412D0 (no) 1995-11-03
ATE325922T1 (de) 2006-06-15
DE69435027D1 (de) 2007-10-31
EP1308555B1 (en) 2006-05-10
DE69434733T2 (de) 2007-05-03
FI120650B (fi) 2010-01-15
EP1873303A3 (en) 2008-06-18
US5489363A (en) 1996-02-06
NZ263656A (en) 1997-02-24
DE69432515D1 (de) 2003-05-22
US5620562A (en) 1997-04-15
EP1308555A3 (en) 2003-05-28
DE69434732D1 (de) 2006-06-14
WO1994025668A1 (en) 1994-11-10
ATE325921T1 (de) 2006-06-15
EP1126075B2 (en) 2013-03-06
EP0698139A1 (en) 1996-02-28
FI955247A (fi) 1996-01-04
FI955247A0 (fi) 1995-11-02
PT1308555E (pt) 2006-08-31
NO954412L (no) 1995-11-03
AU6442194A (en) 1994-11-21
EP1126075A2 (en) 2001-08-22
AU690105B2 (en) 1998-04-23
ID16427A (id) 1997-05-04
ES2263907T3 (es) 2006-12-16
CA2424682A1 (en) 1994-11-10
US6346167B2 (en) 2002-02-12
RU2165433C2 (ru) 2001-04-20
US5547012A (en) 1996-08-20
US6086712A (en) 2000-07-11
BR9406623A (pt) 1996-01-30
EP0698139B1 (en) 2003-04-16
NO313919B1 (no) 2002-12-23
DE69434732T2 (de) 2007-04-26
ATE237713T1 (de) 2003-05-15
US6159337A (en) 2000-12-12
PT698139E (pt) 2003-09-30
EP1308554B1 (en) 2006-05-10
PT1308554E (pt) 2006-08-31
US5849150A (en) 1998-12-15
JP2971947B2 (ja) 1999-11-08
RU2127783C1 (ru) 1999-03-20
EP1126075B1 (en) 2007-09-19
US20010001977A1 (en) 2001-05-31
EP1308555A2 (en) 2003-05-07
EP1308554A2 (en) 2003-05-07
EP1126075A3 (en) 2002-01-02
CN1104524C (zh) 2003-04-02
EP1873303A2 (en) 2008-01-02
CA2159998A1 (en) 1994-11-10
DE69432515T2 (de) 2004-02-05
ES2293959T3 (es) 2008-04-01
ID18488A (id) 1998-04-16
NO313887B1 (no) 2002-12-16
CA2159998C (en) 2003-12-30
EP1126075B9 (en) 2013-05-15
ATE373740T1 (de) 2007-10-15
NO313887B2 (no) 2002-12-16
CN1206762A (zh) 1999-02-03
ES2263735T3 (es) 2006-12-16
DE69432515T9 (de) 2004-09-23
US6280568B1 (en) 2001-08-28
EP1308554A3 (en) 2003-05-28
CN1047640C (zh) 1999-12-22
PT1126075E (pt) 2007-12-07
JPH08511583A (ja) 1996-12-03
DE69435027T2 (de) 2008-06-19
ES2197163T3 (es) 2004-01-01
NO980265L (no) 1995-11-03
CN1099444A (zh) 1995-03-01

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