TW341517B - Modified water-absorbing resin particles - Google Patents

Modified water-absorbing resin particles

Info

Publication number
TW341517B
TW341517B TW084105908A TW84105908A TW341517B TW 341517 B TW341517 B TW 341517B TW 084105908 A TW084105908 A TW 084105908A TW 84105908 A TW84105908 A TW 84105908A TW 341517 B TW341517 B TW 341517B
Authority
TW
Taiwan
Prior art keywords
absorbing resin
modified water
resin particles
water
particles
Prior art date
Application number
TW084105908A
Other languages
English (en)
Inventor
Masashi Idate
Masahisa Fujita
Takashi Sumitani
Masanori Koike
Kenji Tanaka
Original Assignee
Sanyo Chemical Ind Ltd
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 Sanyo Chemical Ind Ltd filed Critical Sanyo Chemical Ind Ltd
Application granted granted Critical
Publication of TW341517B publication Critical patent/TW341517B/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/124—Treatment for improving the free-flowing characteristics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • B01J20/267—Cross-linked polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28011—Other properties, e.g. density, crush strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/2805—Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3206—Organic carriers, supports or substrates
    • B01J20/3208—Polymeric carriers, supports or substrates
    • B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3268—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3287—Layers in the form of a liquid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/42—Introducing metal atoms or metal-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/44—Materials comprising a mixture of organic materials
    • B01J2220/445—Materials comprising a mixture of organic materials comprising a mixture of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
TW084105908A 1994-06-06 1995-06-08 Modified water-absorbing resin particles TW341517B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14863194 1994-06-06
JP26828394 1994-10-05

Publications (1)

Publication Number Publication Date
TW341517B true TW341517B (en) 1998-10-01

Family

ID=26478765

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084105908A TW341517B (en) 1994-06-06 1995-06-08 Modified water-absorbing resin particles

Country Status (6)

Country Link
JP (1) JP3169133B2 (zh)
KR (1) KR0169576B1 (zh)
CN (1) CN1048422C (zh)
AU (1) AU682117B2 (zh)
TW (1) TW341517B (zh)
WO (1) WO1995033558A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
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TWI383008B (zh) * 2005-08-17 2013-01-21 Nippon Catalytic Chem Ind 吸水性樹脂之製造方法及吸水性樹脂以及其利用

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KR100258017B1 (ko) * 1997-12-20 2000-06-01 차동천 고흡수성 수지
EP1072630B1 (en) 1999-07-26 2004-12-01 Nippon Shokubai Co., Ltd. Water-absorbing composition and its use
US7732050B2 (en) 2001-05-16 2010-06-08 Kao Corporation Silicone-modified water-absorbing polymer particles and method for producing the same
JP2003082250A (ja) * 2001-06-27 2003-03-19 San-Dia Polymer Ltd 吸水性樹脂組成物及びその製造法
JP2003088551A (ja) * 2001-09-19 2003-03-25 Sumitomo Seika Chem Co Ltd 吸収体およびそれを用いた吸収性物品
US6822135B2 (en) * 2002-07-26 2004-11-23 Kimberly-Clark Worldwide, Inc. Fluid storage material including particles secured with a crosslinkable binder composition and method of making same
JP4364665B2 (ja) 2003-02-10 2009-11-18 株式会社日本触媒 粒子状吸水剤
ATE548055T1 (de) * 2003-10-31 2012-03-15 Basf Se Blut und/oder körperflüssigkeiten absorbierendes hydrogel
DE10351267A1 (de) * 2003-10-31 2005-06-02 Basf Ag Blut und/oder Körperflüssigkeiten absorbierendes Hydrogel
JP2006055833A (ja) * 2004-03-29 2006-03-02 Nippon Shokubai Co Ltd 吸水性樹脂を主成分とする粒子状吸水剤
CN1950143B (zh) * 2004-05-12 2010-12-29 株式会社日本触媒 废溶液固化剂、制备该废溶液固化剂的方法及该废溶液固化剂的应用
TWI353360B (en) 2005-04-07 2011-12-01 Nippon Catalytic Chem Ind Production process of polyacrylic acid (salt) wate
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
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
WO2007116777A1 (en) 2006-03-27 2007-10-18 Nippon Shokubai Co., Ltd. Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent
JP2007039695A (ja) * 2006-08-23 2007-02-15 Nippon Shokubai Co Ltd 吸水剤の製造方法
EP2127741B1 (en) 2007-03-05 2019-05-15 Nippon Shokubai Co., Ltd. Water absorbent and process for producing the same
CN102548654A (zh) 2009-09-29 2012-07-04 株式会社日本触媒 颗粒状吸水剂及其制造方法
WO2011103291A1 (en) * 2010-02-18 2011-08-25 Dow Corning Corporation Siloxane surface-modified hydrogel and hydrogel microparticle compositions
JP5473680B2 (ja) * 2010-03-04 2014-04-16 Ｓｄｐグローバル株式会社 吸収性樹脂粒子及びこの製造方法
JP5485805B2 (ja) * 2010-06-15 2014-05-07 住友精化株式会社 吸水性樹脂
WO2012128264A1 (ja) * 2011-03-24 2012-09-27 三洋化成工業株式会社 水性液体吸収性樹脂、水性液体吸収性組成物並びにこれらを用いた吸収体及び吸収性物品
WO2012133734A1 (ja) * 2011-03-31 2012-10-04 株式会社日本触媒 粒子状吸水剤およびその製造方法
JP2013133399A (ja) * 2011-12-26 2013-07-08 Kao Corp 吸水性ポリマー粒子
JP6013730B2 (ja) 2011-12-27 2016-10-25 株式会社リブドゥコーポレーション 吸収性物品
JP6013729B2 (ja) * 2011-12-27 2016-10-25 株式会社リブドゥコーポレーション 吸水性樹脂粉末およびこれを用いた吸収体、吸収性物品
JP6004729B2 (ja) * 2012-04-26 2016-10-12 株式会社リブドゥコーポレーション 吸収性物品
JP6412298B2 (ja) 2012-07-27 2018-10-24 株式会社リブドゥコーポレーション 吸収性物品
WO2014034667A1 (ja) 2012-08-27 2014-03-06 株式会社日本触媒 粒子状吸水剤及びその製造方法
JP6068745B2 (ja) * 2012-10-03 2017-01-25 株式会社日本触媒 粒子状吸水剤及びその製造方法
CN103866606B (zh) * 2014-02-25 2015-11-25 苏州恒康新材料有限公司 一种高保水性纸张助剂及其制备方法
WO2015152299A1 (ja) 2014-03-31 2015-10-08 株式会社日本触媒 粒子状吸水剤及びその製造方法
CN104177840B (zh) * 2014-08-27 2020-11-10 东莞市九瀛新材料有限公司 吸水膨胀橡胶及其制备方法
CN104356281A (zh) * 2014-11-08 2015-02-18 太原理工大学 一种耐盐性聚丙烯酸高吸水性树脂的制备方法
CN107955176A (zh) * 2017-11-07 2018-04-24 北京城市之光生态环境有限公司 一种液体保水剂及其制备方法
KR102291033B1 (ko) * 2019-06-28 2021-08-20 주식회사 휴마스터 표면 응집성이 개선된 흡방습 소재, 이를 포함하는 흡방습 시트 및 그 제조방법
TWI745755B (zh) * 2019-09-27 2021-11-11 臺灣塑膠工業股份有限公司 吸水性樹脂組成物、吸水性樹脂及其製造方法
KR20220156550A (ko) * 2020-03-18 2022-11-25 스미토모 세이카 가부시키가이샤 흡수 시트 및 흡수성 물품
CN116178612B (zh) * 2022-12-27 2023-09-19 湖北九联汇博科技有限公司 吸水树脂及其制备方法

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JPH0617394B2 (ja) * 1985-03-18 1994-03-09 三菱油化株式会社 高吸水性ポリマ−の製造法
JP3077294B2 (ja) * 1991-09-12 2000-08-14 三菱化学株式会社 吸水性樹脂組成物及びそれを用いてなる吸収性物品
JP3639874B2 (ja) * 1993-04-15 2005-04-20 大阪有機化学工業株式会社 人工雪種および人工雪の製造方法
JP3205168B2 (ja) * 1993-06-18 2001-09-04 三洋化成工業株式会社 紙おむつ用吸収剤組成物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI383008B (zh) * 2005-08-17 2013-01-21 Nippon Catalytic Chem Ind 吸水性樹脂之製造方法及吸水性樹脂以及其利用

Also Published As

Publication number Publication date
CN1048422C (zh) 2000-01-19
AU2575795A (en) 1996-01-04
CN1129407A (zh) 1996-08-21
JP3169133B2 (ja) 2001-05-21
WO1995033558A1 (fr) 1995-12-14
AU682117B2 (en) 1997-09-18
KR0169576B1 (ko) 1999-01-15
KR960703670A (ko) 1996-08-31

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