ES2139741T3 - Procedimiento para formar un resina granular. - Google Patents

Procedimiento para formar un resina granular.

Info

Publication number
ES2139741T3
ES2139741T3 ES94913294T ES94913294T ES2139741T3 ES 2139741 T3 ES2139741 T3 ES 2139741T3 ES 94913294 T ES94913294 T ES 94913294T ES 94913294 T ES94913294 T ES 94913294T ES 2139741 T3 ES2139741 T3 ES 2139741T3
Authority
ES
Spain
Prior art keywords
granular resin
less
sup
mpa
forming
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
Application number
ES94913294T
Other languages
English (en)
Other versions
ES2139741T5 (es
Inventor
Frederick Yip-Kwai Lo
Ann Lorette Pruden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mobil Oil AS
Original Assignee
Mobil Oil AS
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=27356126&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2139741(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/036,796 external-priority patent/US5420220A/en
Application filed by Mobil Oil AS filed Critical Mobil Oil AS
Publication of ES2139741T3 publication Critical patent/ES2139741T3/es
Application granted granted Critical
Publication of ES2139741T5 publication Critical patent/ES2139741T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/61912—Component covered by group C08F4/60 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/61916—Component covered by group C08F4/60 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/6192—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/61922—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/06—Metallocene or single site catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Polyethers (AREA)

Abstract

UN PROCESO PARA FORMAR UNA RESINA GRANULAR COMPRENDE: DISPERSAR UNA CALTALIZADOR EN UN SOLVENTE ALCANO, BAJO CONDICIONES ANHIDRIDAS SUSTANCIALMENTE, FORMAR UN LODO EN EL RECIPIENTE DE REACCION, DONDE EL CATALIZADOR COMPRENDE UN SOPORTE, UN METAL DE TRANSICION Y ALUMINIO; MANTENIENDO EL LODO EN UNA PRESION ABSOLUTA INFERIOR A 1000 PSO (6.9 MPA) Y UNA TEMPERATURA DE 20 A 100 GRADOS C; INTRODUCIR UN ETILENO Y UN ALFA OLEFINO DE 3 A 10 ATOMOS DE CARBONO EN EL RECIPIENTE DE REACCION, DONDE LA PRESION PARCIAL DEL ETILENO OSCILA ENTRE 20 Y 1000 PSI (0.14 A 6.9 MPA); Y RECUPERAR LA RESINA GRANULAR CON UNA DENSIDAD TOTAL DE 15 A 36 LB/FT{SUP.3} (240 A 580 KG/M{SUP.3}), UNA DENSIDAD ESPECIFICA MENOR DE 0.98 G/CC, Y UN MFR MENOR DE ALREDEDOR DE 30.
ES94913294T 1993-03-25 1994-03-23 Procedimiento para formar una resina granular. Expired - Lifetime ES2139741T5 (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US36796 1987-04-10
US08/036,796 US5420220A (en) 1993-03-25 1993-03-25 LLDPE films
US14176093A 1993-10-27 1993-10-27
US141760 1993-10-27
SG1996002246A SG46293A1 (en) 1992-12-28 1993-12-14 Linear low density polyethylene film
PCT/US1994/003114 WO1994021691A1 (en) 1993-03-25 1994-03-23 Process for forming a granular resin

Publications (2)

Publication Number Publication Date
ES2139741T3 true ES2139741T3 (es) 2000-02-16
ES2139741T5 ES2139741T5 (es) 2005-07-16

Family

ID=27356126

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94913294T Expired - Lifetime ES2139741T5 (es) 1993-03-25 1994-03-23 Procedimiento para formar una resina granular.

Country Status (6)

Country Link
EP (1) EP0690878B2 (es)
JP (1) JP3300357B2 (es)
AU (1) AU672905B2 (es)
CA (1) CA2156528A1 (es)
ES (1) ES2139741T5 (es)
WO (1) WO1994021691A1 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245705B1 (en) 1993-11-18 2001-06-12 Univation Technologies Cocatalysts for metallocene-based olefin polymerization catalyst systems
US6506866B2 (en) 1994-11-17 2003-01-14 Dow Global Technologies Inc. Ethylene copolymer compositions
US6451725B1 (en) 1995-04-12 2002-09-17 Borealis Technology Oy Method for preparing catalyst components
FI952098L (fi) * 1995-05-02 1996-11-03 Borealis As LLDPE-polymeerien valmistusmenetelmä
FI105195B (fi) * 1995-05-02 2000-06-30 Borealis As Polyeteeni, jolla on hallittu partikkelikoko ja morfologia
US6533988B2 (en) * 1995-05-02 2003-03-18 Borealis Technology Oy Rotational moulding process of ethylene polymers or copolymers having a controlled particle size and morphology
CA2225493A1 (en) 1995-08-10 1997-02-20 Exxon Chemical Patents, Inc. Metallocene stabilized alumoxane
WO1997024375A1 (en) * 1995-12-29 1997-07-10 Exxon Chemical Patents Inc. Slurry polymerization process
US5856255A (en) * 1996-01-22 1999-01-05 Albemarle Corporation Preparation of supported auxiliary catalysts at elevated temperature and pressure in a closed vessel
JPH09309926A (ja) * 1996-05-17 1997-12-02 Dow Chem Co:The エチレン共重合体の製造方法
DE69814920T2 (de) * 1997-12-23 2003-12-24 Exxonmobil Chemical Patents Inc., Baytown Verfahren zur ethylenpolymerisation in einem flüssigen reaktionsmedium
DE19758306B4 (de) * 1997-12-31 2005-06-09 Basell Polyolefine Gmbh Katalysator für die Polyolefinsynthese
KR100430438B1 (ko) 1998-10-22 2004-07-19 대림산업 주식회사 담지메탈로센촉매,그제조방법및이를이용한폴리올레핀의중합방법
ATE509964T1 (de) 2003-12-30 2011-06-15 Borealis Tech Oy Polymerisationsverfahren
EP1834983A1 (en) 2006-03-14 2007-09-19 Ineos Europe Limited Polymer films

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4243619A (en) * 1978-03-31 1981-01-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer
US4634746A (en) * 1984-08-03 1987-01-06 Exxon Research & Engineering Co. Polymerization catalyst, production and use (P-1010)
US4754007A (en) * 1985-03-08 1988-06-28 Enron Chemical Company Copolymerization of ethylene
JPH06104684B2 (ja) * 1985-04-12 1994-12-21 日産化学工業株式会社 エチレンの重合及び共重合用触媒の調製法
US4866144A (en) * 1985-07-05 1989-09-12 Exxon Research & Engineering Company Polymerization catalyst, production and use
DE3612376A1 (de) * 1986-04-12 1987-10-15 Basf Ag Verfahren zum herstellen kleinteiliger homo- und copolymerisate des ethens unter verwendung eines fluessigen alkans als reaktionsmedium
EP0279863B1 (en) † 1986-08-26 1992-10-14 Mitsui Petrochemical Industries, Ltd. Catalyst for polymerizing alpha-olefin and polymerization process
US5147949A (en) * 1988-03-29 1992-09-15 Exxon Chemical Patents Inc. Polymerization process using a silica gel supported metallocene-alumoxane catalyst
US5008228A (en) * 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
FI85151C (fi) * 1989-09-06 1992-03-10 Neste Oy Ny baerarkatalysator foer polymerisation av eten.
EP0516458B2 (en) † 1991-05-31 2007-12-19 Mitsui Chemicals, Inc. Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization
US5179178A (en) * 1992-05-15 1993-01-12 Phillips Petroleum Company Olefin polymerization
US5240894A (en) † 1992-05-18 1993-08-31 Exxon Chemical Patents Inc. Method for making and using a supported metallocene catalyst system
US5332706A (en) † 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
DE4344672C1 (de) * 1993-12-27 1995-06-14 Basf Ag Verfahren zur Herstellung von Polymerisaten des Ethylens durch Suspensionspolymerisation

Also Published As

Publication number Publication date
EP0690878B2 (en) 2004-12-29
CA2156528A1 (en) 1994-09-29
EP0690878A4 (en) 1997-01-15
EP0690878B1 (en) 1999-12-29
ES2139741T5 (es) 2005-07-16
AU672905B2 (en) 1996-10-17
JP3300357B2 (ja) 2002-07-08
JPH08508304A (ja) 1996-09-03
EP0690878A1 (en) 1996-01-10
AU6551394A (en) 1994-10-11
WO1994021691A1 (en) 1994-09-29

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