NO312904B1 - Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme - Google Patents

Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme Download PDF

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Publication number
NO312904B1
NO312904B1 NO19961971A NO961971A NO312904B1 NO 312904 B1 NO312904 B1 NO 312904B1 NO 19961971 A NO19961971 A NO 19961971A NO 961971 A NO961971 A NO 961971A NO 312904 B1 NO312904 B1 NO 312904B1
Authority
NO
Norway
Prior art keywords
lldpe
film
layer
roller
density
Prior art date
Application number
NO19961971A
Other languages
English (en)
Norwegian (no)
Other versions
NO961971L (no
NO961971D0 (no
Inventor
Giuseppe Brambilla
Original Assignee
Manuli Stretch Spa
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 Manuli Stretch Spa filed Critical Manuli Stretch Spa
Publication of NO961971D0 publication Critical patent/NO961971D0/no
Publication of NO961971L publication Critical patent/NO961971L/no
Publication of NO312904B1 publication Critical patent/NO312904B1/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/918Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
    • B29C48/9185Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/0088Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/24All layers being polymeric
    • B32B2250/242All polymers belonging to those covered by group B32B27/32
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08Dimensions, e.g. volume
    • B32B2309/10Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00Polyalkenes
    • B32B2323/04Polyethylene
    • B32B2323/046LDPE, i.e. low density polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00006Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
    • B65D2571/00012Bundles surrounded by a film
    • B65D2571/00018Bundles surrounded by a film under tension
    • B65D2571/0003Mechanical characteristics of the stretch film
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31909Next to second addition polymer from unsaturated monomers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31909Next to second addition polymer from unsaturated monomers
    • Y10T428/31913Monoolefin polymer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31938Polymer of monoethylenically unsaturated hydrocarbon

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Wrappers (AREA)
NO19961971A 1995-09-01 1996-05-14 Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme NO312904B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1995MI001850A IT1304704B1 (it) 1995-09-01 1995-09-01 Film multistrato polietilenico

Publications (3)

Publication Number Publication Date
NO961971D0 NO961971D0 (no) 1996-05-14
NO961971L NO961971L (no) 1997-03-03
NO312904B1 true NO312904B1 (no) 2002-07-15

Family

ID=11372207

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19961971A NO312904B1 (no) 1995-09-01 1996-05-14 Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme

Country Status (18)

Country Link
US (1) US5916692A (de)
EP (1) EP0781651B1 (de)
JP (1) JPH0970932A (de)
KR (1) KR970015016A (de)
CN (1) CN1147453A (de)
AR (1) AR003479A1 (de)
AT (1) ATE185316T1 (de)
AU (1) AU706012B2 (de)
BR (1) BR9601544A (de)
CA (1) CA2180930A1 (de)
DE (1) DE69604558T2 (de)
DK (1) DK0781651T3 (de)
ES (1) ES2137570T3 (de)
HU (1) HU215094B (de)
IT (1) IT1304704B1 (de)
NO (1) NO312904B1 (de)
PL (1) PL182545B1 (de)
RU (1) RU2155675C2 (de)

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Publication number Priority date Publication date Assignee Title
IT1277038B1 (it) * 1995-12-06 1997-11-04 Pentacast Srl Film multistrato polietilenico
US6423421B1 (en) 1999-08-11 2002-07-23 Sealed Air Corporation Heat shrinkable film with multicomponent interpenetrating network resin
DE10024707A1 (de) * 2000-05-18 2001-11-29 Fresenius Medical Care De Gmbh Elastische Folie
DE10162974B4 (de) * 2000-12-25 2014-02-20 Sumitomo Chemical Co. Ltd. Blasfolie
US7422786B2 (en) * 2003-09-24 2008-09-09 Exxonmobil Chemical Patents Inc. Collation shrink
CA2579156A1 (en) * 2004-09-01 2006-03-16 Pliant Corporation Chill cast mulch film
JP4932149B2 (ja) * 2004-10-20 2012-05-16 大日本印刷株式会社 液体用紙容器
CN1760087B (zh) * 2005-11-04 2010-08-11 大连富利达塑料制品有限公司 五层共挤复合高阻隔液体包装膜
CA2534943C (en) * 2006-02-01 2012-01-31 Thomas F. Clarke Multi-layer wrap
US7943218B2 (en) * 2006-08-14 2011-05-17 Frito-Lay North America, Inc. Environmentally-friendly multi-layer flexible film having barrier properties
BE1017659A3 (nl) 2007-06-21 2009-03-03 Combipac Bv Voorgerokken rekwikkelfolie.
BE1017770A3 (nl) 2007-09-28 2009-06-02 Combipac Bv Voorgerokken rekwikkelfolie.
CN102227311B (zh) * 2008-10-24 2014-10-22 沙特基础工业公司 多层膜
US8012572B2 (en) * 2009-03-06 2011-09-06 Cryovac, Inc. Multilayer, heat-shrinkable film comprising a plurality of microlayers
BRPI0923985B1 (pt) * 2009-03-31 2019-10-08 Dow Global Technologies Llc Película multicamada e artigo fabricado
KR101114087B1 (ko) * 2009-08-21 2012-02-22 호남석유화학 주식회사 필름용 폴리에틸렌 수지 조성물 및 이를 제조하는 방법과 필름용 폴리에틸렌 수지 조성물을 이용하여 제조된 필름
ITMI20091512A1 (it) * 2009-08-28 2011-02-28 Al Ma C Packaging S R L Procedimento per il confezionamento di gruppi di contenitori per prodotti liquidi alimentari, in particolare bottiglie di acqua e/o bevande, e fardello ottenibile per mezzo di tale procedimento
CN102501509A (zh) * 2011-11-09 2012-06-20 大连富利达塑料制品有限公司 真空包装米类物料的材料
CN102501528A (zh) * 2011-11-09 2012-06-20 大连富利达塑料制品有限公司 用于食品包装的无异味膜
US10583628B2 (en) 2012-04-27 2020-03-10 Dow Brasil Indústria E Comércio De Produtos Químicos Ltda Stiff polyethylene film with enhanced optical properties
WO2015061516A1 (en) 2013-10-25 2015-04-30 Dow Global Technologies Llc Stiff polyethylene film with enhanced optical properties
US10357940B2 (en) 2014-08-07 2019-07-23 Dow Global Technologies Llc Multilayer metallized cast film and packaging made therefrom
CN104309241A (zh) * 2014-11-18 2015-01-28 绵阳昌隆塑料制品有限公司 一种低压塑料膜
US11034072B2 (en) 2016-11-09 2021-06-15 Berry Global, Inc. Prestretched elastic film in personal hygiene products
ES2770755T3 (es) 2017-05-18 2020-07-03 Ergis S A Películas multicapas y método para producir películas multicapas
CN109468855A (zh) * 2018-10-30 2019-03-15 濮阳市龙大无纺布有限公司 一种无纺布
US11691397B2 (en) 2018-11-16 2023-07-04 Mucell Extrusion, Llc Anisotropic thin polyethylene sheet and applications thereof and the process of making the same
CN110861380A (zh) * 2019-11-22 2020-03-06 江阴升辉包装材料有限公司 一种单一材料复合可回收冷冻食品包装膜及其制备方法

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US4399180A (en) * 1978-09-15 1983-08-16 Mobil Oil Corporation Coextruded thermoplastic stretch-wrap
CA1157216A (en) * 1978-09-15 1983-11-22 William F. Briggs Coextruded thermoplastic stretch-wrap
US4379197A (en) * 1981-12-02 1983-04-05 El Paso Polyolefins Company Stretch wrap film composition
EP0287272B2 (de) * 1987-04-17 2001-03-21 Mobil Oil Corporation Streckbarer Umhüllungsfilm, der Hafteigenschaften zeigt
JPH0777754B2 (ja) * 1987-07-07 1995-08-23 三井石油化学工業株式会社 ストレッチ包装用フィルム
DE3888791T3 (de) * 1987-11-19 1999-07-29 Exxon Chemical Patents Inc Thermoplastische Folien zur Verwendung bei Dehnungs- und Haftungsanwendungsgebieten.
US4923750A (en) * 1987-12-30 1990-05-08 Co-Ex Plastics, Inc. Thermoplastic stretch-wrap material
US5019315A (en) * 1988-10-25 1991-05-28 Mobil Oil Corporation Preparing multi-layer coextruded polyolefin stretch wrap films
US5093188A (en) * 1989-09-21 1992-03-03 Paragon Films, Inc. Single-sided cling stretch film
US5085927A (en) * 1990-04-10 1992-02-04 Paragon Films, Inc. Stretch film cling enhancement by addition of elastomers
US5089321A (en) * 1991-01-10 1992-02-18 The Dow Chemical Company Multilayer polyolefinic film structures having improved heat seal characteristics
US5147709A (en) * 1991-06-28 1992-09-15 Paragon Films Incorporated Stretch film with reduced noise and neck
FR2699856B1 (fr) * 1992-12-31 1995-03-17 Enichem Polymeres France Film multicouche comportant des couches à base de polypropylène et de polyéthylène son procédé de fabrication et son utilisation pour des housses rétractables.
US5407732A (en) * 1993-10-29 1995-04-18 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
GB9402430D0 (en) * 1994-02-08 1994-03-30 Du Pont Canada Multilayer ethylene copolymer film

Also Published As

Publication number Publication date
PL314254A1 (en) 1997-03-03
EP0781651A1 (de) 1997-07-02
HUP9601279A2 (en) 1997-04-28
IT1304704B1 (it) 2001-03-28
ES2137570T3 (es) 1999-12-16
MX9603538A (es) 1997-07-31
NO961971L (no) 1997-03-03
EP0781651B1 (de) 1999-10-06
RU2155675C2 (ru) 2000-09-10
ITMI951850A0 (it) 1995-09-01
CN1147453A (zh) 1997-04-16
HU215094B (hu) 1998-09-28
CA2180930A1 (en) 1997-03-02
BR9601544A (pt) 1998-03-24
AU706012B2 (en) 1999-06-03
HUP9601279A3 (en) 1997-08-28
DK0781651T3 (da) 2000-05-01
PL182545B1 (pl) 2002-01-31
AR003479A1 (es) 1998-08-05
DE69604558D1 (de) 1999-11-11
HU9601279D0 (en) 1996-07-29
DE69604558T2 (de) 2000-01-20
JPH0970932A (ja) 1997-03-18
KR970015016A (ko) 1997-04-28
ATE185316T1 (de) 1999-10-15
US5916692A (en) 1999-06-29
ITMI951850A1 (it) 1997-03-01
NO961971D0 (no) 1996-05-14
AU5065496A (en) 1997-03-13

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