ES2110502T5 - Copolimeros de bloque radial, composiciones adhesivas de fusion en caliente y articulos producidos a partir de los mismos. - Google Patents
Copolimeros de bloque radial, composiciones adhesivas de fusion en caliente y articulos producidos a partir de los mismos.Info
- Publication number
- ES2110502T5 ES2110502T5 ES92913201T ES92913201T ES2110502T5 ES 2110502 T5 ES2110502 T5 ES 2110502T5 ES 92913201 T ES92913201 T ES 92913201T ES 92913201 T ES92913201 T ES 92913201T ES 2110502 T5 ES2110502 T5 ES 2110502T5
- Authority
- ES
- Spain
- Prior art keywords
- radial block
- hot fusion
- block copolymers
- compositions
- themselves
- 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 - Lifetime
Links
Classifications
-
- 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
- A61L15/58—Adhesives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
- A61F13/58—Adhesive tab fastener elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
- C08F297/046—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes polymerising vinyl aromatic monomers and isoprene, optionally with other conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24826—Spot bonds connect components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31924—Including polyene monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
- Y10T442/678—Olefin polymer or copolymer sheet or film [e.g., polypropylene, polyethylene, ethylene-butylene copolymer, etc.]
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Graft Or Block Polymers (AREA)
Abstract
SE PRESENTAN COPOLIMEROS DE BLOQUE RADIALES CARACTERIZADOS POR LAS FORMULAS: (1) (PS-PI)NX Y (2) (PS-PI-PB)=NX EN DONDE PS ES POLIESTIRENO, PI ES POLISOPRENO, PB ES BUTADIENO, XS ES UN RESIDUO DE UN AGENTE DE ACOPLAMIENTO MULTIFUNCIONAL UTILIZADO EN LA PRODUCCION DEL COPOLIMERO DE BLOQUE RADIAL Y N ES UN NUMERO MAYOR DE 2 REPRESENTATIVO DEL NUMERO DE RAMAS AÑADIDAS A X; ASIMISMO SE PRESENTAN COMPOSICIONES ADHESIVAS DE FUSION EN CALIENTE CONSTITUIDAS POR DICHOS COPOLIMEROS DE BLOQUE RADIALES Y ARTICULOS MANUFACTURADOS PRODUCIDOS A PARTIR DE LOS MISMOS. ESTOS COPOLIMEROS POSEEN BLOQUES DE POLIESTIRENO DE UN ALTO PESO MOLECULAR MEDIO (ENTRE 10000 Y 25000) Y UN PESO MOLECULAR TOTAL (DE ENTRE 90000 Y 380000) DE FORMA QUE CUANDO SE MEZCLAN EN PROPORCIONES ADECUADAS CON UNA RESINA AMALGAMADORA COMPATIBLE, PREFERIBLEMENTE TAMBIEN CON UNA SEGUNDA RESINA SECUNDARIA Y O UN ACEITE PLASTIFICANTE, ASI COMO CON UN ESTABILIZADOR, PUEDEN FORMARSE COMPOSICIONES ADHESIVAS DE FUSION EN CALIENTE SUPERIORES. LASCOMPOSICIONES ADHESIVAS DE FUSION EN CALIENTE POSEEN, "INTER ALIA", UNA RESISTENCIA AL CALOR SUPERIOR, UN TIEMPO ESTATICO SUPERIOR A LOS FALLOS CON UNA BAJA VISCOSIDAD, UNA BUENA ADHESION, Y UN ALTA CAPACIDAD PARA UNIRSE A SUBSTRATOS DE POLIETILENO O POLIPROPILENO A TEMPERATURAS POR DEBAJO DE LAS QUE PODRIAN DAÑAR EL SUBSTRATO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/705,193 US5292819A (en) | 1989-08-11 | 1991-05-24 | Radial block copolymers containing butadiene endblock |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2110502T3 ES2110502T3 (es) | 1998-02-16 |
ES2110502T5 true ES2110502T5 (es) | 2003-05-01 |
Family
ID=24832433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92913201T Expired - Lifetime ES2110502T5 (es) | 1991-05-24 | 1992-05-22 | Copolimeros de bloque radial, composiciones adhesivas de fusion en caliente y articulos producidos a partir de los mismos. |
Country Status (9)
Country | Link |
---|---|
US (2) | US5292819A (es) |
EP (1) | EP0588923B2 (es) |
JP (1) | JP3153550B2 (es) |
KR (1) | KR100235818B1 (es) |
AU (1) | AU2145092A (es) |
CA (1) | CA2109826C (es) |
DE (1) | DE69223783T3 (es) |
ES (1) | ES2110502T5 (es) |
WO (1) | WO1992020725A1 (es) |
Families Citing this family (59)
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US5399627A (en) * | 1989-08-11 | 1995-03-21 | The Dow Chemical Company | Radial styrene-isoprene-butadiene multi-armed block copolymers and compositions and articles containing block copolymers |
JP3309438B2 (ja) * | 1992-09-04 | 2002-07-29 | 日本ゼオン株式会社 | ブロック共重合体 |
IT1264627B1 (it) * | 1993-06-16 | 1996-10-04 | Enichem Elastomeri Srl | Copolimeri stirene-isopreme radiali funzionalizzati |
FI946040A (fi) * | 1993-12-27 | 1995-06-28 | Shell Int Research | Irrotettava tarraliimakoostumus |
DE4404955A1 (de) * | 1994-02-17 | 1995-08-24 | Beiersdorf Ag | Klebematerial mit Nachvernetzungsreserve |
US5532319A (en) * | 1994-02-28 | 1996-07-02 | Nippon Zeon Co., Ltd. | Block copolymer composition and pressure sensitive adhesive composition |
US5499702A (en) * | 1994-10-07 | 1996-03-19 | Wang; King-Sheng | Retractable handle assembly |
US6034159A (en) * | 1995-01-06 | 2000-03-07 | H.B. Fuller Licensing & Financing, Inc. | Fast setting multipurpose bookbinding adhesive with excellent flexibility |
US5882789A (en) * | 1995-06-07 | 1999-03-16 | Pechiney Recherche | Packaging material for forming an easy-opening reclosable packaging material and package |
US5882749A (en) * | 1995-06-08 | 1999-03-16 | Pechiney Recherche | Easy-opening reclosable package |
JP3469384B2 (ja) * | 1995-12-14 | 2003-11-25 | 株式会社クラレ | 接着剤組成物 |
ZA969958B (en) * | 1995-12-21 | 1997-06-17 | Kimberly Clark Co | Disposable absorbent article possessing improved fit |
US5916959A (en) * | 1996-03-29 | 1999-06-29 | H.B. Fuller Licensing & Financing, Inc. | Radial styrene-isoprene-styrene based hot melt pressure sensitive adhesive |
US5750623A (en) * | 1996-05-20 | 1998-05-12 | The Dow Chemical Co. | Hot-melt adhesives for disposable items and articles made therefrom |
CA2255793A1 (en) * | 1996-07-12 | 1998-01-22 | H.B. Fuller Licensing & Financing, Inc. | Low application temperature hot melt with excellent heat and cold resistance |
JP4130983B2 (ja) | 1996-10-30 | 2008-08-13 | 日本ゼオン株式会社 | 芳香族ビニル−イソプレンブロック共重合体混合物、その製法、およびそれを含む粘接着剤組成物 |
DE19703917A1 (de) * | 1997-02-03 | 1998-08-06 | Du Pont Deutschland | Flexographische Druckformen für den Wellpappendruck |
JP3604117B2 (ja) * | 1997-03-06 | 2004-12-22 | 株式会社クラレ | 熱可塑性重合体組成物 |
US5869562A (en) * | 1997-03-28 | 1999-02-09 | H. B. Fuller Licensing & Financing, Inc. | Hot melt pressure sensitive adhesive designed for use on high density spun polyolefin film |
US6025071A (en) * | 1997-10-23 | 2000-02-15 | H.B.Fuller Licensing & Financing Inc. | Removable grade hot melt pressure sensitive adhesive |
JP2003342441A (ja) * | 1998-05-13 | 2003-12-03 | Nippon Zeon Co Ltd | ブロック共重合体組成物、その製造方法及び粘着剤組成物 |
EP1115807A1 (en) | 1998-09-04 | 2001-07-18 | ExxonMobil Chemical Patents Inc. | Hot melt pressure sensitive adhesive composition |
AU768305B2 (en) * | 1998-12-21 | 2003-12-04 | Mcneil-Ppc, Inc. | Absorbent hot melt adhesive |
AU2001275384A1 (en) * | 2000-06-09 | 2001-12-24 | H.B. Fuller Licensing And Financing Inc. | Pressure sensitive adhesive having high heat resistance and low complex viscosity |
US6576686B1 (en) | 2000-06-27 | 2003-06-10 | Exxonmobil Chemical Patents Inc. | Road marking compound comprising linear tetrablock copolymers |
CN1271103C (zh) * | 2001-01-18 | 2006-08-23 | 克拉通聚合物研究有限公司 | 粘合剂组合物 |
GB0123027D0 (en) * | 2001-09-25 | 2001-11-14 | Exxonmobil Chem Patents Inc | Adhesives based on radial block copolymers with improved die-cutting performance |
US20050013996A1 (en) * | 2002-03-08 | 2005-01-20 | Hatfield Stephen F. | Hot melt pressure sensitive adhesives for disposable articles |
JP4607580B2 (ja) * | 2002-06-04 | 2011-01-05 | クレイトン・ポリマーズ・リサーチ・ベー・ベー | カップリングされたブロック共重合体組成物を製造する方法および得られた組成物 |
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EP1699869B1 (en) * | 2003-12-22 | 2017-07-05 | Kraton Polymers U.S. LLC | Adhesive formulations from radial (s-i/b)x polymers |
US20050176887A1 (en) * | 2004-02-06 | 2005-08-11 | Kraton Polymers U.S. Llc | Pressure sensitive adhesive and compositions prepared with same |
US20050182194A1 (en) * | 2004-02-13 | 2005-08-18 | Qiwei He | Adhesive containing radial block copolymer |
US7655720B2 (en) * | 2004-02-13 | 2010-02-02 | Henkel Ag & Co. Kgaa | Adhesive containing radial block copolymer |
US8465844B2 (en) * | 2004-02-13 | 2013-06-18 | Henkel Ag & Co. Kgaa | Elastic attachment adhesive containing radial block copolymer |
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JP5731917B2 (ja) * | 2011-06-30 | 2015-06-10 | 上村工業株式会社 | 表面処理装置およびめっき槽 |
CN104558457B (zh) * | 2013-10-29 | 2018-06-01 | 中国石油天然气股份有限公司 | 星型高苯乙烯橡胶及其制备方法 |
JP2018502018A (ja) | 2014-11-14 | 2018-01-25 | ガラ・インダストリーズ・インコーポレイテッドGala Industries, Inc. | 粘着性物質包装用フィルム |
DE102016202018A1 (de) | 2016-02-10 | 2017-08-10 | Tesa Se | Haftklebemasse, diese enthaltende Selbstklebeprodukte und Verbunde |
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SU956532A1 (ru) * | 1980-09-01 | 1982-09-07 | Предприятие П/Я А-7345 | Клей |
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JPS5889672A (ja) † | 1981-11-25 | 1983-05-28 | Japan Synthetic Rubber Co Ltd | 熱溶誘型粘着剤組成物 |
US4540415A (en) * | 1982-02-12 | 1985-09-10 | Personal Products Company | Disposable diaper with a repositionable tape tab fastener |
US4419494A (en) * | 1982-03-16 | 1983-12-06 | National Starch And Chemical Corporation | Heat resistant hot melt adhesives |
US4485210A (en) * | 1983-04-06 | 1984-11-27 | Atlantic Richfield Company | Process for the continuous production of star-block copolymers of a monovinyl aromatic monomer and a conjugated diene |
JPH0629388B2 (ja) * | 1985-06-14 | 1994-04-20 | 日本石油株式会社 | 熱可塑性ゴム系接着剤組成物 |
AU609859B2 (en) * | 1987-08-31 | 1991-05-09 | Minnesota Mining And Manufacturing Company | Pressure-sensitive adhesive composition, tape and diaper closure system |
IN171720B (es) * | 1987-08-31 | 1992-12-19 | Minnesota Mining & Mfg | |
US4942195A (en) * | 1988-08-17 | 1990-07-17 | National Starch And Chemical Investment Holding Corporation | Toughened rubber based hot melt adhesive compositions for bookbinding applications |
US4944994A (en) * | 1988-08-17 | 1990-07-31 | National Starch And Investment Holding Corporation | Toughened hot melt adhesive composition for book casemaking |
US4944993A (en) * | 1988-08-17 | 1990-07-31 | National Starch And Investment Holding Corporation | Toughened rubber based hot melt adhesive compositions for disposable applications |
US4987194A (en) * | 1988-10-07 | 1991-01-22 | Kuraray Company, Limited | Block copolymers and composition containing the same |
US5057571A (en) * | 1988-11-07 | 1991-10-15 | H. B. Fuller Licensing & Financing Inc. | Disposable article construction adhesive |
US5149741A (en) * | 1989-07-21 | 1992-09-22 | Findley Adhesives, Inc. | Hot melt construction adhesives for disposable soft goods |
US5019071A (en) * | 1989-12-12 | 1991-05-28 | Minnesota Mining And Manufacturing Company | Adhesive fastening tab |
US5118762A (en) * | 1990-04-11 | 1992-06-02 | Shell Oil Company | Styrene-isoprene-styrene block copolymer composition for low viscosity low temperature hot melt adhesives |
-
1991
- 1991-05-24 US US07/705,193 patent/US5292819A/en not_active Expired - Lifetime
-
1992
- 1992-05-22 DE DE69223783T patent/DE69223783T3/de not_active Expired - Lifetime
- 1992-05-22 WO PCT/US1992/004334 patent/WO1992020725A1/en active IP Right Grant
- 1992-05-22 AU AU21450/92A patent/AU2145092A/en not_active Abandoned
- 1992-05-22 JP JP50032193A patent/JP3153550B2/ja not_active Expired - Lifetime
- 1992-05-22 KR KR1019930703583A patent/KR100235818B1/ko not_active IP Right Cessation
- 1992-05-22 EP EP92913201A patent/EP0588923B2/en not_active Expired - Lifetime
- 1992-05-22 ES ES92913201T patent/ES2110502T5/es not_active Expired - Lifetime
- 1992-05-22 CA CA002109826A patent/CA2109826C/en not_active Expired - Lifetime
-
1993
- 1993-12-17 US US08/168,952 patent/US5372870A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0588923B1 (en) | 1997-12-29 |
ES2110502T3 (es) | 1998-02-16 |
KR100235818B1 (ko) | 1999-12-15 |
DE69223783T2 (de) | 1998-06-10 |
CA2109826C (en) | 2003-10-07 |
WO1992020725A1 (en) | 1992-11-26 |
JP3153550B2 (ja) | 2001-04-09 |
JPH06509595A (ja) | 1994-10-27 |
DE69223783D1 (de) | 1998-02-05 |
US5372870A (en) | 1994-12-13 |
EP0588923B2 (en) | 2002-10-16 |
DE69223783T3 (de) | 2003-07-24 |
US5292819A (en) | 1994-03-08 |
CA2109826A1 (en) | 1992-11-26 |
AU2145092A (en) | 1992-12-30 |
EP0588923A1 (en) | 1994-03-30 |
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