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BR9100398A - Processo para a producao de resina absorvente de agua - Google Patents

Processo para a producao de resina absorvente de agua

Info

Publication number
BR9100398A
BR9100398A BR919100398A BR9100398A BR9100398A BR 9100398 A BR9100398 A BR 9100398A BR 919100398 A BR919100398 A BR 919100398A BR 9100398 A BR9100398 A BR 9100398A BR 9100398 A BR9100398 A BR 9100398A
Authority
BR
Brazil
Prior art keywords
production
water absorbing
absorbing resin
resin
water
Prior art date
Application number
BR919100398A
Other languages
English (en)
Inventor
Morio Nakamura
Takushi Yamamoto
Hitoshi Tanaka
Hitoshi Ozawa
Yasuhiro Shimada
Original Assignee
Sumitomo Seika Chemicals
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 Sumitomo Seika Chemicals filed Critical Sumitomo Seika Chemicals
Publication of BR9100398A publication Critical patent/BR9100398A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04Acids, Metal salts or ammonium salts thereof
    • C08F20/06Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/32Polymerisation in water-in-oil emulsions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR919100398A 1990-01-31 1991-01-30 Processo para a producao de resina absorvente de agua BR9100398A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022774A JP2938920B2 (ja) 1990-01-31 1990-01-31 吸水性樹脂の製造方法

Publications (1)

Publication Number Publication Date
BR9100398A true BR9100398A (pt) 1991-10-22

Family

ID=12092015

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919100398A BR9100398A (pt) 1990-01-31 1991-01-30 Processo para a producao de resina absorvente de agua

Country Status (10)

Country Link
US (1) US5180798A (pt)
EP (1) EP0441507B1 (pt)
JP (1) JP2938920B2 (pt)
KR (1) KR0174745B1 (pt)
CN (1) CN1023486C (pt)
BR (1) BR9100398A (pt)
CA (1) CA2034293C (pt)
DE (1) DE69118224T2 (pt)
ES (1) ES2087967T3 (pt)
TW (1) TW228528B (pt)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3175791B2 (ja) * 1992-06-10 2001-06-11 株式会社日本触媒 吸水剤の製造方法
FR2694755B1 (fr) * 1992-08-12 1994-09-23 Atochem Elf Sa Perfectionnement pour la préparation de poudre superabsorbantes par polymérisation en suspension inverse de monomères acryliques.
FR2694757B1 (fr) * 1992-08-12 1994-10-07 Atochem Elf Sa Procédé pour la préparation de polyacrylates superabsorbants à faible teneur en monomères résiduels.
FR2694756B1 (fr) * 1992-08-12 1994-10-07 Atochem Elf Sa Perfectionnement pour la préparation de polyacrylates superabsorbants.
JP3005124B2 (ja) * 1992-09-10 2000-01-31 花王株式会社 不定形重合体粒子の製造方法
FR2710342B1 (fr) * 1993-09-21 1995-11-17 Atochem Elf Sa Polymères acryliques superabsorbants à propriétés améliorées et leur procédé d'obtention.
GB9413605D0 (en) * 1994-07-06 1994-08-24 American Colloid Co Method of increasing the size and absorption under load of super-absorbent fine particles by impregnation with an aqueous acrylic monomer solution
US5849816A (en) * 1994-08-01 1998-12-15 Leonard Pearlstein Method of making high performance superabsorbent material
US5549590A (en) * 1994-08-01 1996-08-27 Leonard Pearlstein High performance absorbent particles and methods of preparation
FR2732973B1 (fr) * 1995-04-11 1997-06-13 Atochem Elf Sa Procede pour l'obtention de polymeres superabsorbants pour l'eau et les fluides aqueux sous forme d'agregats de particules
JPH0912613A (ja) * 1995-06-28 1997-01-14 Mitsubishi Chem Corp 吸水性樹脂の製造方法
JP4072833B2 (ja) * 1995-11-30 2008-04-09 住友精化株式会社 吸水性樹脂の製造方法および吸水性樹脂
FR2744456A1 (fr) * 1996-02-07 1997-08-08 Atochem Elf Sa Polymeres superabsorbants a structure coeur-coquille et leur procede d'obtention
FR2748404B1 (fr) 1996-05-09 1998-07-24 Atochem Elf Sa Poudres superabsorbantes a forte absorption et forte sucion capillaire
FR2755693B1 (fr) * 1996-11-14 1998-12-18 Atochem Elf Sa Procede pour l'obtention de polymeres hydrophiles a grande vitesse de dissolution ou de gonflement dans l'eau
JP3871445B2 (ja) * 1998-09-02 2007-01-24 花王株式会社 高吸水性樹脂の製法
US6414080B1 (en) * 1999-06-09 2002-07-02 Calgon Corporation Inverse emulsion polymer and production thereof
DE50013652D1 (de) 1999-06-09 2006-12-07 Wella Ag Verwendung von festen, gasifizierten Teilchen für Haarbehandlungen und diese enthaltendes Haarbehandlungsmittel
KR100573865B1 (ko) * 1999-08-31 2006-04-25 주식회사 새 한 발수성 및 제전성이 우수한 폴리에스테르 직물의 제조방법
JP4766812B2 (ja) * 1999-11-19 2011-09-07 株式会社日本触媒 多孔質架橋ポリマー材料の製造方法
US7083810B2 (en) 2000-04-19 2006-08-01 Wella Aktiengesellschaft Cosmetic agent in the form of a gel
KR100431536B1 (ko) * 2001-02-14 2004-05-20 박상규 pH변화를 이용한 식품 품질 식별표시계
US20030153887A1 (en) * 2001-04-16 2003-08-14 Yasuhiro Nawata Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the same
DE10150765A1 (de) 2001-10-13 2003-04-17 Wella Ag Spitzenfolie zum Wickeln von Haaren und Verfahren zur dauerhaften Haarverformung
DE60233590D1 (de) * 2001-12-19 2009-10-15 Nippon Catalytic Chem Ind Acrylsäurezusammensetzung und verfahren zu ihrer herstellung, verfahren zur herstellung von wasserabsorbierendem harz, bei dem diese acrylsäurezusammendes harz
JP3940009B2 (ja) * 2002-03-18 2007-07-04 住友精化株式会社 カルボキシル基含有水溶性重合体の製造方法
DE10308317A1 (de) * 2003-02-26 2004-09-09 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Resistsubstrats
US7713623B2 (en) 2003-03-17 2010-05-11 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbing resin particles
JPWO2004101628A1 (ja) * 2003-05-13 2006-07-13 住友精化株式会社 吸水性樹脂の製造方法
JP4736316B2 (ja) * 2003-10-21 2011-07-27 Dic株式会社 高吸収性樹脂の製造方法
US20070179261A1 (en) * 2003-12-25 2007-08-02 Shinichi Uda Method for producing water-absorbing resin
JP4969778B2 (ja) * 2004-12-21 2012-07-04 住友精化株式会社 吸水性樹脂粒子の製造方法及びそれを用いた衛生材料
KR100626552B1 (ko) * 2005-04-06 2006-09-22 김수동 잔류단량제와 개시제 잔류물이 적게 함유된폴리아크릴아마이드 공중합체의 제조
TWI344469B (en) * 2005-04-07 2011-07-01 Nippon Catalytic Chem Ind Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
WO2007004529A1 (ja) * 2005-07-04 2007-01-11 Sumitomo Seika Chemicals Co., Ltd. 吸水性樹脂の製造方法
JP4646830B2 (ja) * 2005-10-27 2011-03-09 花王株式会社 吸収性物品
TWI394789B (zh) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind 吸水性樹脂組成物及其製造方法、吸收性物品
CN100443553C (zh) * 2006-03-23 2008-12-17 中国地质大学(武汉) 含非晶态硅酸盐矿物的高吸水保水复合材料的制备方法
CN100443554C (zh) * 2006-03-23 2008-12-17 中国地质大学(武汉) 含架状硅酸盐矿物的高吸水保水复合材料的制备方法
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
US8378033B2 (en) 2006-04-24 2013-02-19 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbable resin particle, and water-absorbable resin particle produced by the process
US9074022B2 (en) * 2006-04-27 2015-07-07 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbent resin
US7989367B2 (en) * 2006-06-30 2011-08-02 Georgia-Pacific Chemicals Llc Reducing formaldehyde emissions from fiberglass insulation
WO2008127287A2 (en) 2006-10-11 2008-10-23 Biolife, L.L.C. Materials and methods for wound treatment
JP2010515465A (ja) * 2007-01-12 2010-05-13 ザ リージェンツ オブ ザ ユニバーシティー オブ コロラド,ア ボディー コーポレート 微生物によって生成される有機化学物質の生成に対する耐性を高めるための組成物および方法
CN101589066B (zh) 2007-01-24 2013-07-03 株式会社日本触媒 粒子状吸水性聚合物及其制造方法
WO2008151041A2 (en) 2007-05-31 2008-12-11 Biolife, Llc Materials and methods for preparation of alkaline earth ferrates from alkaline earth oxides, peroxides, and nitrates
JP5439179B2 (ja) * 2007-08-23 2014-03-12 住友精化株式会社 衛生材用途に適した吸水性樹脂
US8048624B1 (en) 2007-12-04 2011-11-01 Opx Biotechnologies, Inc. Compositions and methods for 3-hydroxypropionate bio-production from biomass
CN101225132B (zh) * 2007-12-20 2010-09-01 中国科学院长春应用化学研究所 反相悬浮聚合聚甲基丙烯酸吸湿树脂的制备方法
WO2009096300A1 (ja) * 2008-02-01 2009-08-06 Toagosei Co., Ltd. 重合体微粒子の製造方法
EP2239279B1 (en) * 2008-02-01 2013-01-02 Toagosei Co., Ltd. Process for the production of polymer microparticles
US8809027B1 (en) 2009-09-27 2014-08-19 Opx Biotechnologies, Inc. Genetically modified organisms for increased microbial production of 3-hydroxypropionic acid involving an oxaloacetate alpha-decarboxylase
US8883464B2 (en) 2009-09-27 2014-11-11 Opx Biotechnologies, Inc. Methods for producing 3-hydroxypropionic acid and other products
JP5801203B2 (ja) 2009-09-29 2015-10-28 株式会社日本触媒 粒子状吸水剤及びその製造方法
WO2011063363A2 (en) * 2009-11-20 2011-05-26 Opx Biotechnologies, Inc. Production of an organic acid and/or related chemicals
AU2010323629A1 (en) * 2009-11-27 2012-07-19 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbing resin particles, water-absorbing resin particles, water-stopping material, and absorbent article
KR101778340B1 (ko) 2010-07-28 2017-09-13 스미토모 세이카 가부시키가이샤 흡수성 수지의 제조 방법
US9234053B2 (en) 2010-08-18 2016-01-12 Sumitomo Seika Chemicals Co., Ltd. Process for producing carboxyl-containing polymer composition, and carboxyl-containing polymer composition
JP5901524B2 (ja) * 2010-08-19 2016-04-13 住友精化株式会社 吸水性樹脂
BR112013005435A2 (pt) * 2010-09-06 2016-06-07 Sumitomo Seika Chemicals resina absorvente de água e método para produzir a mesma
KR101715443B1 (ko) * 2010-10-18 2017-03-10 스미또모 세이까 가부시키가이샤 흡수성 수지 입자의 제조 방법 및 흡수성 수지 입자
CN103209999B (zh) 2010-11-15 2015-09-16 住友精化株式会社 制造吸水性树脂的方法
SG190709A1 (en) 2010-12-16 2013-07-31 Sumitomo Seika Chemicals Method for producing water-absorbent resin
JP5637869B2 (ja) * 2011-01-11 2014-12-10 住友精化株式会社 吸水性樹脂の製造方法
JP5798573B2 (ja) * 2011-02-14 2015-10-21 住友精化株式会社 親水性増粘剤及びその製造方法
CN103562398A (zh) 2011-03-22 2014-02-05 Opx生物工艺学公司 化学产品的微生物生产以及相关的组合物、方法和系统
JP5885735B2 (ja) 2011-03-31 2016-03-15 住友精化株式会社 吸水性樹脂の製造方法
TWI513713B (zh) 2011-04-21 2015-12-21 Sumitomo Seika Chemicals 吸水性樹脂之製造方法
TW201247249A (en) 2011-04-21 2012-12-01 Sumitomo Seika Chemicals Water-absorbent resin, absorbent material, and absorbent article
JP6293484B2 (ja) * 2011-08-03 2018-03-14 住友精化株式会社 吸水性樹脂粒子、吸水性樹脂粒子を製造する方法、吸収体、吸収性物品及び止水材
WO2013051417A1 (ja) 2011-10-06 2013-04-11 住友精化株式会社 吸水性樹脂粒子の製造方法
JP5927289B2 (ja) * 2012-02-29 2016-06-01 住友精化株式会社 吸水性樹脂粒子の製造方法
JP2013203761A (ja) * 2012-03-27 2013-10-07 Kao Corp 改質吸水性樹脂粒子
JP2015524283A (ja) 2012-08-10 2015-08-24 オーピーエックス バイオテクノロジーズ, インコーポレイテッド 脂肪酸および脂肪酸由来生成物の生成のため微生物および方法
KR101595037B1 (ko) 2013-01-15 2016-02-17 주식회사 엘지화학 고흡수성 수지의 제조 방법
US9512057B2 (en) 2013-03-15 2016-12-06 Cargill, Incorporated 3-hydroxypropionic acid compositions
BR112015023472A2 (pt) 2013-03-15 2017-12-05 Cargill Inc método de produção de um produto químico, método de bioprodução de um produto químico, organismo geneticamente modificado e produto
US20150057465A1 (en) 2013-03-15 2015-02-26 Opx Biotechnologies, Inc. Control of growth-induction-production phases
JP6359012B2 (ja) * 2013-06-28 2018-07-18 住友精化株式会社 親水性増粘剤及び化粧料組成物
CN106795483A (zh) 2013-07-19 2017-05-31 嘉吉公司 用于生产脂肪酸和脂肪酸衍生产物的微生物及方法
US11408013B2 (en) 2013-07-19 2022-08-09 Cargill, Incorporated Microorganisms and methods for the production of fatty acids and fatty acid derived products
EP3112022A4 (en) 2014-02-28 2017-11-01 Nippon Shokubai Co., Ltd. Poly(meth)acrylic acid (salt)-based particulate absorbent, and production method
JP5893117B2 (ja) 2014-07-11 2016-03-23 住友精化株式会社 吸水性樹脂及び吸収性物品
JP5689204B1 (ja) 2014-07-11 2015-03-25 住友精化株式会社 吸水性樹脂の製造方法、吸水性樹脂、吸水剤、吸収性物品
JP5893116B2 (ja) 2014-07-11 2016-03-23 住友精化株式会社 吸水性樹脂及び吸水性樹脂の製造方法
EP2993228B1 (en) 2014-09-02 2019-10-09 Cargill, Incorporated Production of fatty acid esters
US11535689B2 (en) 2015-06-19 2022-12-27 Nippon Shokubai Co., Ltd. Poly (meth) acrylic acid (salt)-based particulate water-absorbing agent and production method therefor
GB201512725D0 (en) * 2015-07-20 2015-08-26 Life Technologies As Polymeric particles
KR102761195B1 (ko) 2015-12-28 2025-02-03 가부시키가이샤 닛폰 쇼쿠바이 흡수성 수지의 제조 방법
CN106008779B (zh) * 2016-06-02 2018-11-27 中北大学 一种交联聚对苯乙烯磺酸钠凝胶微球制作方法
WO2018144701A2 (en) 2017-02-02 2018-08-09 Cargill Incorporated Genetically modified cells that produce c6-c10 fatty acid derivatives
JPWO2018159802A1 (ja) 2017-03-02 2019-12-26 住友精化株式会社 吸水性樹脂及び吸収性物品
US11332558B2 (en) 2017-03-02 2022-05-17 Sumitomo Seika Chemicals Co., Ltd. Water-absorbent resin, and soil
JPWO2018159804A1 (ja) 2017-03-02 2019-12-26 住友精化株式会社 吸水性樹脂の構造の非破壊評価方法
KR102526286B1 (ko) 2017-03-02 2023-04-27 스미토모 세이카 가부시키가이샤 흡수성 수지 및 흡수성 물품
WO2018159801A1 (ja) 2017-03-02 2018-09-07 住友精化株式会社 吸水性樹脂、土壌保水材、及び農園芸材料
CN111885997B (zh) * 2018-03-27 2023-05-09 住友精化株式会社 吸水性磨砂剂、其制造方法、以及化妆品
EP3779048A4 (en) 2018-03-27 2022-01-12 Sumitomo Seika Chemicals Co., Ltd. SAND BAG AND METHOD OF PRODUCTION
CN108841391B (zh) * 2018-03-30 2021-01-29 广西科技师范学院 一种土壤保水剂的制备方法
JPWO2020095811A1 (ja) 2018-11-05 2021-10-07 住友精化株式会社 吸水性樹脂
FR3101350B1 (fr) 2019-09-26 2021-11-12 Aprotek Matériau asséchant permettant de faciliter le recyclage des bétons résiduels
JPWO2021220985A1 (pt) 2020-04-27 2021-11-04
FR3112146B1 (fr) 2020-07-06 2023-03-17 Aprotek Composition asséchante pour faciliter le transport des boues huileuses
EP4186948A4 (en) 2020-07-22 2024-07-17 Sumitomo Seika Chemicals Co., Ltd. WATER-ABSORBENT RESIN COMPOSITION, METHOD FOR PRODUCING WATER-ABSORBENT RESIN COMPOSITION, AND METHOD FOR SLOWING DOWN WATER ABSORPTION SPEED OF WATER-ABSORBENT RESIN PARTICLES
EP4186930A4 (en) 2020-07-22 2024-07-17 Sumitomo Seika Chemicals Co., Ltd. WATER-ABSORBENT RESIN COMPOSITION, ABSORBENT AND ABSORBENT ARTICLE
FR3113553B1 (fr) 2020-08-26 2023-01-13 Aprotek Nouvel article absorbant et drainant utilisé comme support de culture
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CN117098521A (zh) 2021-03-30 2023-11-21 住友精化株式会社 吸收体及吸收性物品
KR20230161963A (ko) 2021-03-30 2023-11-28 스미토모 세이카 가부시키가이샤 흡수성 수지, 흡수체 및 흡수성 물품
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FR3133607A1 (fr) 2022-03-16 2023-09-22 Aprotek Composition asséchante pour faciliter la manipulation des boues
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KR102630748B1 (ko) * 2023-06-01 2024-01-31 (주)대우건설 저수지 복통의 누수 보수용 폴리머 차수재 및 이의 제조 방법
CN121399195A (zh) 2023-06-30 2026-01-23 住友精化株式会社 吸水性树脂颗粒的制造方法、吸水性树脂颗粒、吸收体及吸收性物品
WO2025028083A1 (ja) 2023-07-31 2025-02-06 株式会社日本触媒 可溶化ポリマーの製造方法
FR3164922A1 (fr) 2024-07-24 2026-01-30 Aprotek Composition asséchante pour faciliter l’assèchement des boues argileuses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308912A (en) * 1979-03-28 1982-01-05 Knecht Bernath L Heat transfer system
US4618647A (en) * 1983-03-11 1986-10-21 Union Carbide Corp. Process for producing a polymer water-in-oil emulsion
CA1248279A (en) * 1983-03-11 1989-01-03 You-Ling Fan Dual initiator water-in-oil emulsion polymerization process
JPS6187702A (ja) * 1984-10-05 1986-05-06 Seitetsu Kagaku Co Ltd 吸水性樹脂の製造方法
JPH0830098B2 (ja) * 1987-07-16 1996-03-27 日本合成化学工業株式会社 高吸水性樹脂の製造法
US4914170A (en) * 1987-11-17 1990-04-03 Rohm And Haas Company Superabsorbent polymeric compositions and process for producing the same

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EP0441507A1 (en) 1991-08-14
DE69118224D1 (de) 1996-05-02
JP2938920B2 (ja) 1999-08-25
EP0441507B1 (en) 1996-03-27
TW228528B (pt) 1994-08-21
CA2034293A1 (en) 1991-08-01
KR0174745B1 (ko) 1999-04-01
US5180798A (en) 1993-01-19
CN1023486C (zh) 1994-01-12
JPH03227301A (ja) 1991-10-08
CA2034293C (en) 1999-05-04
CN1053796A (zh) 1991-08-14
DE69118224T2 (de) 1996-09-05
KR910014410A (ko) 1991-08-31
ES2087967T3 (es) 1996-08-01

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