ES2104745T3 - Pelicula para uso agricola. - Google Patents

Pelicula para uso agricola.

Info

Publication number
ES2104745T3
ES2104745T3 ES92102757T ES92102757T ES2104745T3 ES 2104745 T3 ES2104745 T3 ES 2104745T3 ES 92102757 T ES92102757 T ES 92102757T ES 92102757 T ES92102757 T ES 92102757T ES 2104745 T3 ES2104745 T3 ES 2104745T3
Authority
ES
Spain
Prior art keywords
agricultural
thermoplastic resin
side chain
amine
resin film
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
ES92102757T
Other languages
English (en)
Inventor
Kiyomaro Sudo
Seiya Mori
Tadao Okada
Hajime Ikeno
Keiko Shichijo
Shunichi Ohnishi
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
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
Priority claimed from JP02426291A external-priority patent/JP3180156B2/ja
Priority claimed from JP3272500A external-priority patent/JP3043865B2/ja
Priority claimed from JP3288270A external-priority patent/JP3071904B2/ja
Application filed by Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Application granted granted Critical
Publication of ES2104745T3 publication Critical patent/ES2104745T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
    • 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
    • C08L23/06—Polyethylene
    • 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
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
    • C08L23/0853—Ethylene vinyl acetate copolymers
    • 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
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
    • C08L23/0892—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with monomers containing atoms other than carbon, hydrogen or oxygen
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • 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
    • B32B2410/00—Agriculture-related articles
    • 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
    • C08F210/02—Ethene
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material
    • 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
    • Y10T428/31913—Monoolefin polymer
    • 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
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Laminated Bodies (AREA)
  • Greenhouses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

UNA PELICULA AGRICOLA QUE CONSTA DE UNA PELICULA DE RESINA TERMOPLASTICA QUE CONTIENE UN COPOLIMERO ETILENO CON UNA AMINA IMPEDIDAS EN SU CADENA LATERAL Y QUE HA SIDO RECUBIERTA EN LA MISMA CON UN AGENTE ANTI-NIEBLA COMPUESTO DE UNA SUBSTANCIA COLOIDE HIDROFILICA INORGANICA Y UN COMPUESTO ORGANICO HIDROFILICO Y UNA PELICULA AGRICOLA COMPUESTA DE UNA PELICULA DE RESINA TERMOPLASTICA QUE CONTIENE UN COPOLIMERO ETILENO CON UNA AMINA IMPEDIDA EN SU CADENA LATERAL Y, SE DESEA, TAMBIEN UN COMPUESTO HIDROTALCITO, CON UN AGENTE ANTI-NIEBLA RECUBRIENDO LA SUPERFICIE INTERIOR DEL MISMO O INCORPORADA EN EL MISMO. LAS PELICULAS AGRICOLAS TIENEN UNA EXCELENTE RESISTENCIA AL TIEMPO CLIMATICO, PROPIEDADES ANTI NIEBLA, PROPIEDADES RETENTORAS DEL CALOR, Y TRANSPARENCIA.
ES92102757T 1991-02-19 1992-02-19 Pelicula para uso agricola. Expired - Lifetime ES2104745T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP02426291A JP3180156B2 (ja) 1991-02-19 1991-02-19 農業用フィルムとその製造方法
JP3272500A JP3043865B2 (ja) 1991-10-21 1991-10-21 農業用フィルム
JP3288270A JP3071904B2 (ja) 1991-11-05 1991-11-05 農業用積層樹脂フィルム

Publications (1)

Publication Number Publication Date
ES2104745T3 true ES2104745T3 (es) 1997-10-16

Family

ID=27284577

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92102757T Expired - Lifetime ES2104745T3 (es) 1991-02-19 1992-02-19 Pelicula para uso agricola.

Country Status (4)

Country Link
US (1) US5262233A (es)
EP (1) EP0500073B1 (es)
DE (1) DE69219635T2 (es)
ES (1) ES2104745T3 (es)

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TW321658B (es) * 1992-09-17 1997-12-01 Ciba Sc Holding Ag
US5385972A (en) * 1992-12-28 1995-01-31 Mitsubishi Petrochemical Co., Ltd. Filler-containing resin composition and stretched films using same
GR920100585A (el) * 1992-12-31 1994-08-31 Plastika Makedonias A E Πλαστικό φύλλο επικάλυψης ?ερμοκηπίων τεσσάρων ή περισσοτέρων στρώσεων.
US5536116A (en) * 1993-08-10 1996-07-16 Epi Environmental Products Inc. Machine and method for laying film on face of landfill
US5620281A (en) * 1993-08-10 1997-04-15 Epi Environmental Products Inc. Machine and method for laying film on face of landfill
IT1269953B (it) * 1994-06-27 1997-04-16 Ciba Geigy Spa Films di poliolefine o copolimeri di olefine con migliorata stabilita' alla luce e resistenza agli insetticidi
ES2134083B1 (es) * 1994-12-09 2000-05-01 Sumitomo Chemical Co Pelicula de resina de poliolefinas de cubrimiento y metodo para cultivo de plantas.
IT1273607B (it) * 1995-04-26 1997-07-08 Ciba Geigy Spa Combinazione di stabilizzanti per polimeri sintetici organici
US5767179A (en) * 1995-06-23 1998-06-16 Fuji Chemical Industry Co., Ltd. Lithium-aluminum hydroxide complex with condensed silicate
CA2274104C (en) * 1996-12-04 2003-02-25 Tetra Co., Ltd. Materials for growing algae and artificial reefs
JP3677928B2 (ja) * 1997-03-26 2005-08-03 三菱化学株式会社 プロピレン系樹脂製熱成形用シートの製造方法
US6189466B1 (en) * 1998-01-13 2001-02-20 The United States Of America As Represented By The Secretery Of Agriculture Noxious weed control by soil solarization
ATE276308T1 (de) * 2000-05-04 2004-10-15 Ciba Sc Holding Ag Polyolefinfilmzusammensetzungen mit antibeschlageigenschaften
US8207070B2 (en) 2000-11-22 2012-06-26 Techmer Pm, Llc Wettable polyolefin fibers and fabrics
EP1373183A1 (en) * 2001-03-09 2004-01-02 Ciba SC Holding AG Permanent surface modifiers
MXPA02002378A (es) * 2001-03-12 2002-09-24 Ciba Sc Holding Ag "romp con grupos alcoxi eter".
US7810275B2 (en) * 2001-10-29 2010-10-12 Lacebark, Inc. Root growth barrier and method
US6739088B1 (en) * 2001-11-13 2004-05-25 James E. Stoller Protective winter turf cover
EP1457315A1 (en) * 2003-03-14 2004-09-15 VIBAC S.p.A. A polyolifin film having antifog properties
DE102004055323A1 (de) * 2004-11-16 2006-05-18 Cfs Kempten Gmbh Transparente tiefziehfähige Folien mit Antifog-Eigenschaften
WO2006055656A1 (en) * 2004-11-16 2006-05-26 E.I. Dupont De Nemours And Company Heat sealable antifog film materials
DE102005049639A1 (de) * 2005-10-18 2007-04-19 Mitsubishi Polyester Film Gmbh Polyesterfolie mit hydrophiler Beschichtung
US7774979B2 (en) * 2006-11-20 2010-08-17 Hurst William E Process of photomorphogenically enhancing plants
CN101652249A (zh) * 2007-04-06 2010-02-17 旭硝子株式会社 波长转换膜、农业用膜、结构物及涂膜形成用组合物
WO2009115574A1 (en) * 2008-03-19 2009-09-24 Grow Foil B.V. Greenhouse for enhanced plant growth
ES2340903A1 (es) * 2008-09-22 2010-06-10 Repsol Ypf, S.A. Pelicula polimerica, procedimiento de obtencion y usos de la misma.
US20110146762A1 (en) * 2009-12-23 2011-06-23 Marina Temchenko High performance backsheet for photovoltaic applications and method for manufacturing the same
CN103627069B (zh) * 2012-08-23 2016-06-08 中国石油天然气股份有限公司 高透明聚乙烯薄膜母料
WO2014142218A1 (ja) * 2013-03-14 2014-09-18 三井化学東セロ株式会社 鮮度保持フィルム
US9777145B2 (en) 2013-12-20 2017-10-03 E. I. Du Pont De Nemours And Company Anti-fogging films based on ethylene copolymer compositions
US9840639B2 (en) 2014-03-27 2017-12-12 Innosense Llc Hydrophilic anti-fog coatings
BR112017010492B1 (pt) * 2014-11-20 2022-04-26 Cytec Industries Inc Composição estabilizante, concentrado masterbatch,e, artigo de fabricação
CA2998401A1 (en) 2015-09-18 2017-03-23 Dow Global Technologies Llc Multi-layer greenhouse film with superior anti-dripping performance
CN107488381A (zh) * 2017-08-17 2017-12-19 青岛雨虹篷布制品有限公司 防沾水涂层和无滴水篷布及其制备工艺
CN111093361B (zh) * 2017-09-14 2022-07-01 卢德维格斯文松股份公司 温室帘幕
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DE2748362A1 (de) * 1977-10-28 1979-05-03 Hoechst Ag Polymere substituierter piperidine, ihre herstellung und verwendung
EP0063544A1 (de) * 1981-04-13 1982-10-27 Ciba-Geigy Ag Alpha-Olefincopolymere mit sterisch gehinderten Aminseitengruppen
US4559381A (en) * 1984-01-13 1985-12-17 Alcudia, Empresa Para La Indusrria Quimica, S.A. Polymeric covering materials for growing plants or crops
JPS6183210A (ja) * 1984-10-01 1986-04-26 Mitsubishi Petrochem Co Ltd エチレン共重合体
DE3837589A1 (de) * 1988-11-05 1990-05-10 Roehm Gmbh Uv-absorber-haltige methacrylatschutzschicht fuer polycarbonat
DE58909021D1 (de) * 1988-06-30 1995-03-30 Ciba Geigy Ag Verfahren zur Herstellung von thermisch stabilen Olefinpolymeren.
US5182349A (en) * 1990-02-08 1993-01-26 Mitsubishi Petrochemical Company, Ltd. Ethylene copolymer and method of producing same

Also Published As

Publication number Publication date
EP0500073A2 (en) 1992-08-26
DE69219635D1 (de) 1997-06-19
US5262233A (en) 1993-11-16
DE69219635T2 (de) 1997-10-23
EP0500073B1 (en) 1997-05-14
EP0500073A3 (en) 1992-11-25

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