BG62778B1 - Метод за активиране на полизахариди, полизахаридиполучени по този метод и тяхното използване - Google Patents

Метод за активиране на полизахариди, полизахаридиполучени по този метод и тяхното използване Download PDF

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Publication number
BG62778B1
BG62778B1 BG101888A BG10188897A BG62778B1 BG 62778 B1 BG62778 B1 BG 62778B1 BG 101888 A BG101888 A BG 101888A BG 10188897 A BG10188897 A BG 10188897A BG 62778 B1 BG62778 B1 BG 62778B1
Authority
BG
Bulgaria
Prior art keywords
cellulose
polysaccharide
ammonia
liquid ammonia
pressure
Prior art date
Application number
BG101888A
Other languages
Bulgarian (bg)
English (en)
Other versions
BG101888A (en
Inventor
Ties Karstens
Hans Steinmeier
Original Assignee
Rhone-Poulenc Rhodia Aktiengesellschaft
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 Rhone-Poulenc Rhodia Aktiengesellschaft filed Critical Rhone-Poulenc Rhodia Aktiengesellschaft
Publication of BG101888A publication Critical patent/BG101888A/xx
Publication of BG62778B1 publication Critical patent/BG62778B1/bg

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/06—Rendering cellulose suitable for etherification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
    • C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
    • C08B37/0096—Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
BG101888A 1995-03-25 1997-09-15 Метод за активиране на полизахариди, полизахаридиполучени по този метод и тяхното използване BG62778B1 (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19511061 1995-03-25
PCT/EP1996/001274 WO1996030411A1 (fr) 1995-03-25 1996-03-22 Procede permettant d'activer des polysaccharides, polysaccharides obtenus selon ledit procede et leur utilisation

Publications (2)

Publication Number Publication Date
BG101888A BG101888A (en) 1998-04-30
BG62778B1 true BG62778B1 (bg) 2000-07-31

Family

ID=7757778

Family Applications (1)

Application Number Title Priority Date Filing Date
BG101888A BG62778B1 (bg) 1995-03-25 1997-09-15 Метод за активиране на полизахариди, полизахаридиполучени по този метод и тяхното използване

Country Status (20)

Country Link
US (1) US5939544A (fr)
EP (1) EP0817803B1 (fr)
JP (2) JP3390015B2 (fr)
KR (1) KR100254840B1 (fr)
CN (1) CN1083454C (fr)
AT (1) ATE181338T1 (fr)
AU (1) AU695331B2 (fr)
BG (1) BG62778B1 (fr)
BR (1) BR9607992A (fr)
CA (1) CA2214245C (fr)
CZ (1) CZ284387B6 (fr)
DE (2) DE19611416A1 (fr)
EA (1) EA000169B1 (fr)
ES (1) ES2135221T3 (fr)
HU (1) HUP9802337A3 (fr)
PL (1) PL322468A1 (fr)
RO (1) RO115053B1 (fr)
SK (1) SK128597A3 (fr)
WO (1) WO1996030411A1 (fr)
ZA (1) ZA962370B (fr)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628277C2 (de) * 1996-07-12 1998-07-09 Rhodia Ag Rhone Poulenc Verfahren zur Aktivierung eines Cellulose und Harnstoff enthaltenden Gemisches, aktiviertes Cellulose und Harnstoff enthaltendes Gemisch und Verwendung des aktivierten Gemisches zur Herstellung von Cellulosecarbamat
DE19654251A1 (de) * 1996-12-23 1998-06-25 Rhodia Ag Rhone Poulenc Verfahren zur Isolierung von Guaran aus Guar-Endosperm
DE19742692A1 (de) * 1997-09-26 1999-04-01 Rhodia Acetow Ag Verfahren zur Aktivierung von Polysacchariden
FR2770232B1 (fr) * 1997-10-27 2000-01-14 Rhodia Ag Rhone Poulenc Procede de preparation d'une fibre ou d'un fil de cellulose regeneree
DE19810740A1 (de) * 1998-03-13 1999-09-16 Rhodia Acetow Ag Verfahren zur Dosierung eines Ammoniak/Zusatzstoff-Systems in einen Feststoff und Dosiervorrichtung
EP1066109A1 (fr) * 1998-03-13 2001-01-10 Rhodia Acetow GmbH Dispositif, procede et reacteur pressurise permettant de traiter des matieres solides avec un gaz liquide sous pression
DE19814137A1 (de) * 1998-03-30 1999-10-14 Rhodia Acetow Ag Verfahren zum Austreiben von Ammoniak aus einem aktivierten Polysaccharid
DE19921755A1 (de) * 1999-05-11 2000-11-16 Rhodia Acetow Ag Verfahren zur Herstellung einer Spinnlösung von Zellstoff in N-Methylmorpholin-N-oxid-Monohydrat, die damit erhältlichen Lösungen sowie die daraus durch Verspinnen erhältlichen Regeneratcellulosefasern
DE10132366A1 (de) * 2001-07-04 2003-01-30 Degussa Verfahren zur physikalischen Behandlung von Stärke(-Derivaten)
WO2004053004A1 (fr) * 2002-12-06 2004-06-24 Polaroid Corporation Inscriptions d'indication a immersion dans l'eau et articles portant de telles inscriptions
US6881252B2 (en) 2003-09-23 2005-04-19 Corn Products International, Inc. Fiber-based product
CA2640429C (fr) * 2006-01-27 2014-04-01 University Of Massachusetts Systemes et procedes d'obtention de biocarburants et substances connexes
WO2008020901A2 (fr) * 2006-05-01 2008-02-21 Michigan State University Séparation de protéines à partir d'herbes intégrées avec un prétraitement d'explosion des fibres à l'ammoniac (afex) et une hydrolyse de la cellulose
US20110201091A1 (en) * 2007-08-29 2011-08-18 Board Of Trustees Of Michigan State University Production of microbial growth stimulant with ammonia fiber explosion (AFEX) pretreatment and cellulose hydrolysis
US9206446B2 (en) * 2006-05-01 2015-12-08 Board Of Trustees Of Michigan State University Extraction of solubles from plant biomass for use as microbial growth stimulant and methods related thereto
US8968515B2 (en) 2006-05-01 2015-03-03 Board Of Trustees Of Michigan State University Methods for pretreating biomass
WO2007130337A1 (fr) 2006-05-01 2007-11-15 Michigan State University Procédé de traitement d'une biomasse lignocellulosique
EP2047030B2 (fr) † 2006-06-14 2014-04-09 Sappi Manufacturing (PTY) Ltd Amélioration de la réactivité de la pâte de cellulose
US20090281303A1 (en) * 2006-06-23 2009-11-12 Basf Se Process for silylating cellulose
US9499635B2 (en) 2006-10-13 2016-11-22 Sweetwater Energy, Inc. Integrated wood processing and sugar production
US8323923B1 (en) 2006-10-13 2012-12-04 Sweetwater Energy, Inc. Method and system for producing ethanol
US7670813B2 (en) * 2006-10-25 2010-03-02 Iogen Energy Corporation Inorganic salt recovery during processing of lignocellulosic feedstocks
US8247200B2 (en) * 2007-01-25 2012-08-21 Iogen Energy Corporation Method of obtaining inorganic salt and acetate salt from cellulosic biomass
JP5411846B2 (ja) * 2007-04-19 2014-02-12 マスコマ コーポレイション リグノセルロースバイオマスの熱化学的前処理と精砕の組合せ
WO2008137639A1 (fr) * 2007-05-02 2008-11-13 Mascoma Corporation Procédé de prétraitement en deux étapes de biomasse lignocellulosique
US20080277082A1 (en) * 2007-05-07 2008-11-13 Andritz Inc. High pressure compressor and steam explosion pulping method
US20090011474A1 (en) * 2007-06-20 2009-01-08 Board Of Trustees Of Michigan State University Process for producing sugars from cellulosic biomass
US20090042259A1 (en) * 2007-08-09 2009-02-12 Board Of Trustees Of Michigan State University Process for enzymatically converting a plant biomass
US20090053771A1 (en) * 2007-08-22 2009-02-26 Board Of Trustees Of Michigan State University Process for making fuels and chemicals from AFEX-treated whole grain or whole plants
US8192968B2 (en) 2007-08-27 2012-06-05 Iogen Energy Corporation Method for the production of a fermentation product from a pretreated lignocellulosic feedstock
US8367378B2 (en) * 2007-10-03 2013-02-05 Board Of Trustees Of Michigan State University Process for producing sugars and ethanol using corn stillage
EP2257632A1 (fr) * 2008-02-27 2010-12-08 Qteros, Inc. Procédés pour la conversion de substances végétales en carburants et en produits chimiques par l action séquentielle de deux microorganismes
WO2009124321A1 (fr) * 2008-04-04 2009-10-08 University Of Massachusetts Procédés et compositions pour améliorer la production de combustibles dans les microorganismes
US20100105114A1 (en) * 2008-06-11 2010-04-29 University Of Massachusetts Methods and Compositions for Regulating Sporulation
US8529765B2 (en) * 2008-12-09 2013-09-10 Sweetwater Energy, Inc. Ensiling biomass for biofuels production and multiple phase apparatus for hydrolyzation of ensiled biomass
US9279112B2 (en) 2009-02-27 2016-03-08 Iogen Energy Corporation Cellulase enzymes having a modified linker and reduced lignin binding
US20100086981A1 (en) * 2009-06-29 2010-04-08 Qteros, Inc. Compositions and methods for improved saccharification of biomass
WO2010123932A1 (fr) * 2009-04-20 2010-10-28 Qteros, Inc. Compositions et procédés pour la fermentation d'une biomasse
US8945245B2 (en) 2009-08-24 2015-02-03 The Michigan Biotechnology Institute Methods of hydrolyzing pretreated densified biomass particulates and systems related thereto
US10457810B2 (en) 2009-08-24 2019-10-29 Board Of Trustees Of Michigan State University Densified biomass products containing pretreated biomass fibers
BRPI1007699B8 (pt) 2009-08-24 2021-03-23 Univ Michigan State produto, produto embalado e processo
US20110183382A1 (en) * 2009-12-15 2011-07-28 Qteros, Inc. Methods and compositions for producing chemical products from c. phytofermentans
BR122022002136B1 (pt) * 2009-12-17 2022-08-23 Fina Biosolutions, Llc Processo de conjugação de carboidratos na preparação de vacinas conjugadas e suas respectivas vacinas
WO2011097713A1 (fr) 2010-02-11 2011-08-18 Iogen Energy Corporation Modules de liaison de glucide avec une liaison réduite à la lignine
GB2478791A (en) * 2010-03-19 2011-09-21 Qteros Inc Ethanol production by genetically-modified bacteria
AU2011242896C1 (en) 2010-04-19 2016-04-21 Board Of Trustees Of Michigan State University Digestible lignocellulosic biomass and extractives and methods for producing same
DK2606131T3 (en) 2010-08-20 2017-06-19 Codexis Inc Use of proteins from glycoside hydrolase 61 family for cellulose processing
JP2012080818A (ja) * 2010-10-12 2012-04-26 Idemitsu Kosan Co Ltd 固体バイオマスの糖化前処理方法、その装置、および、固体バイオマスの糖化方法
US8236551B2 (en) 2010-11-02 2012-08-07 Codexis, Inc. Compositions and methods for production of fermentable sugars
ES2604114T3 (es) 2010-11-02 2017-03-03 Codexis, Inc. Cepas de hongos mejoradas
BR112014004171A2 (pt) 2011-08-22 2018-11-06 Codexis Inc variantes da proteína glicósideo hidrolase gh61 e cofatores que aumentam a atividade de gh61
EP2760997A4 (fr) 2011-09-30 2015-02-11 Codexis Inc Protéases fongiques
CN103145873B (zh) * 2011-12-06 2015-12-09 蔡敏郎 几丁质去乙酰化的方法
US20140357727A1 (en) 2011-12-20 2014-12-04 Codexis, Inc. Fatty alcohol forming acyl reductase (far) variants and methods of use
BR112014015030A2 (pt) 2011-12-20 2017-06-13 Codexis Inc variantes da endoflucanase 1b (eg1b)
US8765430B2 (en) 2012-02-10 2014-07-01 Sweetwater Energy, Inc. Enhancing fermentation of starch- and sugar-based feedstocks
US10202660B2 (en) 2012-03-02 2019-02-12 Board Of Trustees Of Michigan State University Methods for increasing sugar yield with size-adjusted lignocellulosic biomass particles
US8563277B1 (en) 2012-04-13 2013-10-22 Sweetwater Energy, Inc. Methods and systems for saccharification of biomass
WO2013155496A1 (fr) 2012-04-13 2013-10-17 Sweetwater Energy, Inc. Procédés et systèmes pour la saccharification d'une biomasse
US20150133698A1 (en) 2012-04-20 2015-05-14 Codexis, Inc. Production of fatty alcohols from engineered microorganisms
EP2859096A4 (fr) 2012-06-11 2016-05-11 Codexis Inc Xylanases et xylosidases fongiques
WO2014015278A1 (fr) 2012-07-20 2014-01-23 Codexis, Inc. Production d'alcools gras à partir de microorganismes génétiquement modifiés
CN102976802B (zh) * 2012-11-23 2014-09-03 山东嘉丰海洋生物科技有限公司 一种壳聚糖液体肥料的加工方法
US9512447B2 (en) 2012-12-14 2016-12-06 Codexis, Inc. Modified native beta-ketoacyl-ACP synthases and engineered microorganisms
WO2014143753A1 (fr) 2013-03-15 2014-09-18 Sweetwater Energy, Inc. Purification de carbone de courants de sucre concentré issus de biomasse prétraitée
US9593447B2 (en) 2013-08-20 2017-03-14 Biomass Energy Enhancements, Llc System and method using a reaction chamber to beneficiate organic-carbon-containing feedstock for downstream processes
US20150052805A1 (en) 2013-08-20 2015-02-26 Michael L Catto Oxygen-Deficient Thermally Produced Processed Biochar from Beneficiated Organic-Carbon-Containing Feedstock
US9796940B2 (en) 2014-06-16 2017-10-24 Biomass Energy Enhancements, Llc Processed biomass pellets from organic-carbon-containing feedstock
US9701918B2 (en) 2014-06-16 2017-07-11 Biomass Energy Enhancements, Llc System of using a reaction chamber to beneficiate organic-carbon-containing feedstock for downstream processes
US9702548B2 (en) 2014-06-16 2017-07-11 Biomass Energy Enhancements, Llc System for co-firing cleaned coal and beneficiated organic-carbon-containing feedstock in a coal combustion apparatus
US10024533B2 (en) 2014-06-16 2018-07-17 Ctp Biotechnology Llc System and process for combusting cleaned coal and beneficiated organic-carbon-containing feedstock
US9683738B2 (en) 2014-06-16 2017-06-20 Biomass Energy Enhancements, Llc System for co-firing coal and beneficiated organic-carbon-containing feedstock in a coal combustion apparatus
US10018355B2 (en) 2014-06-16 2018-07-10 CTP Biotechnology, LLC System and process for combusting coal and beneficiated organic-carbon-containing feedstock
PT3230463T (pt) 2014-12-09 2022-08-30 Sweetwater Energy Inc Pré-tratamento rápido
EP3196205A1 (fr) * 2016-01-22 2017-07-26 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Éthérification de glucides à l'aide de vapeur surchauffée
US11299723B2 (en) 2016-06-15 2022-04-12 Codexis, Inc. Engineered beta-glucosidases and glucosylation methods
WO2018106656A1 (fr) 2016-12-06 2018-06-14 Danisco Us Inc Enzymes de lpmo tronqués et leur utilisation
US11821047B2 (en) 2017-02-16 2023-11-21 Apalta Patent OÜ High pressure zone formation for pretreatment
BR112022012348A2 (pt) 2019-12-22 2022-09-13 Sweetwater Energy Inc Métodos de fazer lignina especializada e produtos de lignina da biomassa
WO2024129311A1 (fr) * 2022-12-15 2024-06-20 Dow Global Technologies Llc Procédé de production de cellulose silylée

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD98322A1 (fr) * 1972-07-17 1973-06-12
SU914563A1 (ru) * 1980-04-04 1982-03-23 Inst Khim Drevesiny An Latssr Способ активации целлюлозы 1
US5037663A (en) * 1981-10-14 1991-08-06 Colorado State University Research Foundation Process for increasing the reactivity of cellulose-containing materials
US4600590A (en) * 1981-10-14 1986-07-15 Colorado State University Research Foundation Method for increasing the reactivity and digestibility of cellulose with ammonia
DE3241720A1 (de) * 1982-11-11 1984-05-17 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von celluloseethern aus mit ammoniak aktivierter cellulose
US5171592A (en) * 1990-03-02 1992-12-15 Afex Corporation Biomass refining process
DE4329937C1 (de) * 1993-09-04 1994-11-24 Rhodia Ag Rhone Poulenc Verfahren zur Behandlung von Cellulose zu deren Aktivierung für nachfolgende chemische Reaktionen

Also Published As

Publication number Publication date
CN1083454C (zh) 2002-04-24
CA2214245A1 (fr) 1996-10-03
BR9607992A (pt) 1999-11-30
HUP9802337A3 (en) 1999-03-29
JP2002161101A (ja) 2002-06-04
WO1996030411A1 (fr) 1996-10-03
ATE181338T1 (de) 1999-07-15
ZA962370B (en) 1996-10-07
MX9707309A (es) 1997-11-29
EA199700268A1 (ru) 1998-02-26
JPH10505130A (ja) 1998-05-19
PL322468A1 (en) 1998-02-02
KR19980703294A (ko) 1998-10-15
CN1179781A (zh) 1998-04-22
EP0817803A1 (fr) 1998-01-14
KR100254840B1 (ko) 2000-05-01
ES2135221T3 (es) 1999-10-16
BG101888A (en) 1998-04-30
HUP9802337A2 (hu) 1999-02-01
AU695331B2 (en) 1998-08-13
EP0817803B1 (fr) 1999-06-16
US5939544A (en) 1999-08-17
JP3390015B2 (ja) 2003-03-24
DE19611416A1 (de) 1996-09-26
CZ284387B6 (cs) 1998-11-11
SK128597A3 (en) 1998-03-04
AU5148196A (en) 1996-10-16
DE59602248D1 (de) 1999-07-22
CZ300597A3 (en) 1997-12-17
CA2214245C (fr) 2001-10-02
RO115053B1 (ro) 1999-10-29
EA000169B1 (ru) 1998-10-29

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