ES2091831T3 - Estratificado altamente higroscopico. - Google Patents

Estratificado altamente higroscopico.

Info

Publication number
ES2091831T3
ES2091831T3 ES91104902T ES91104902T ES2091831T3 ES 2091831 T3 ES2091831 T3 ES 2091831T3 ES 91104902 T ES91104902 T ES 91104902T ES 91104902 T ES91104902 T ES 91104902T ES 2091831 T3 ES2091831 T3 ES 2091831T3
Authority
ES
Spain
Prior art keywords
acid
hygroscopic
sheet
stratified
highly hygroscopic
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
ES91104902T
Other languages
English (en)
Inventor
Masami Takuno
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Application granted granted Critical
Publication of ES2091831T3 publication Critical patent/ES2091831T3/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
    • 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B65D81/267—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being in sheet form
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • 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
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2307/728—Hydrophilic
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • Y10T428/24331—Composite web or sheet including nonapertured component
    • 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.]
    • Y10T428/24777—Edge feature
    • 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.]
    • Y10T428/24777—Edge feature
    • Y10T428/24793—Comprising discontinuous or differential impregnation or bond
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • 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

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Packages (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

UN LAMINADO HIGROSCOPICO ESTA FORMADO POR UNA CAPA HIGROSCOPICA QUE CONTIENE UNA PELICULA PERMEABLE AL GAS Y UN POLIMERO HIGROSCOPICO Y POR LO MENOS UN HUMECTANTE ELEGIDO ENTRE EL GRUPO FORMADO POR ACIDO ACETICO, ACIDO PROPINOICO, ACIDO GLICOLICO, ACIDO LACTICO, ACIDO HIDRAULICO, ACIDO PIRUNICO Y ACIDO PIRROLIDONACARBOXILICO Y SALES DE SODIO, POTASIO , CALCIO Y MAGNESIO DE ESTOS ACIDOS, QUE ESTAN ENVUELTAS EN LA PELICULA DE GAS PERMEABLE; UNA LAMINA POROSA NO RETENEDORA DE AGUA; Y UNA LAMINA IMPERMEABLE AL AGUA, LA LAMINA POROSA NO RETENEDORA DE AGUA ESTA COLOCADA EN UNA CARA DE LA CAPA HIGROSCOPICA Y LA LAMINA IMPERMEABLE AL AGUA ESTA COLOCADA EN LA OTRA CARA DE LA CAPA HIGROSCOPICA, PARA ASI EMPAREDAR LA CAPA HIGROSCOPICA. EL LAMINADO HIGROSCOPICO CONTROLA LA HUMEDAD RELATIVA EN UN SISTEMA DE EMPAQUETADO DE 20 AL 40 %.
ES91104902T 1990-03-29 1991-03-27 Estratificado altamente higroscopico. Expired - Lifetime ES2091831T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8161390A JP2834266B2 (ja) 1990-03-29 1990-03-29 高吸湿性積層体

Publications (1)

Publication Number Publication Date
ES2091831T3 true ES2091831T3 (es) 1996-11-16

Family

ID=13751172

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91104902T Expired - Lifetime ES2091831T3 (es) 1990-03-29 1991-03-27 Estratificado altamente higroscopico.

Country Status (8)

Country Link
US (1) US5143773A (es)
EP (1) EP0449267B1 (es)
JP (1) JP2834266B2 (es)
KR (1) KR0155999B1 (es)
AU (1) AU636821B2 (es)
CA (1) CA2039357C (es)
DE (1) DE69122287T2 (es)
ES (1) ES2091831T3 (es)

Families Citing this family (23)

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Publication number Priority date Publication date Assignee Title
US5340646A (en) * 1991-04-26 1994-08-23 Mitsui Toatsu Chemicals, Inc. Breathable, hydrolyzable porous film
CA2068368A1 (en) * 1991-05-13 1992-11-14 Masanobu Ajioka Degradable laminate composition
US5420182A (en) * 1994-02-01 1995-05-30 Industrial Technology Research Institute Water-retaining adhesive composition
US6114024A (en) * 1995-08-01 2000-09-05 Kimberly-Clark Worldwide, Inc. Multilayer breathable film
DE29513546U1 (de) * 1995-08-23 1995-10-05 Basf Magnetics Gmbh Verpackung für feuchtigkeitsempfindliches Gut, insbesondere für Fotofilme
JP3403044B2 (ja) * 1997-12-09 2003-05-06 キヤノン株式会社 包装容器
US6281407B1 (en) 1999-05-28 2001-08-28 Kimberly-Clark Worldwide, Inc. Personal care product containing a product agent
US6517849B1 (en) 1999-10-19 2003-02-11 The Procter & Gamble Company Tissue products containing antiviral agents which are mild to the skin
CN1104326C (zh) * 1999-12-22 2003-04-02 平湖市比例包装材料有限公司 食品包装用复合材料
KR20020021698A (ko) * 2000-09-16 2002-03-22 김기범 제습조성물 및 그 제조방법
US6703115B2 (en) 2001-05-01 2004-03-09 Eastman Chemical Company Multilayer films
CN100379803C (zh) * 2001-08-01 2008-04-09 H·B·富勒许可和金融公司 可生物降解的透气性热熔组合物
DE10164632B4 (de) 2001-12-27 2007-02-08 Korea Institute Of Science And Technology Entfeuchtungselemente zur Entfeuchtung von Gas sowie ein Verfahren zur Herstellung derselben
US20040122389A1 (en) * 2002-12-23 2004-06-24 Mace Tamara Lee Use of hygroscopic treatments to enhance dryness in an absorbent article
US7501011B2 (en) * 2004-11-09 2009-03-10 Multisorb Technologies, Inc. Humidity control device
FR2885597B1 (fr) * 2005-05-12 2009-02-27 Didier Guitton Procede de conditionnement d'une composition dans un emballage pourvu d'un moyen de degazage
DE102006018872A1 (de) * 2006-04-24 2007-10-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Feuchteregulierendes Verpackungsmaterial, Verfahren zu dessen Herstellung und dessen Verwendung
KR100963116B1 (ko) * 2008-07-24 2010-06-16 한국과학기술연구원 제습제와 제습 엘리먼트 및 그들의 제조방법들
DE202012100002U1 (de) * 2012-01-02 2013-04-05 Mcairlaid's Vliesstoffe Gmbh & Co. Kg Feuchtigkeitsregulierendes Element zur Verwendung in Verpackungen
DE102012105440A1 (de) 2012-06-22 2013-12-24 Chemische Fabrik Budenheim Kg Feuchteregulierendes Material
US9341409B1 (en) 2012-08-24 2016-05-17 John E. Akers Compact portable dryer for damp outdoor gear
KR101773552B1 (ko) 2013-02-07 2017-08-31 도요세이칸 그룹 홀딩스 가부시키가이샤 수분 배리어성이 우수한 가스 배리어성 적층체
JP6988660B2 (ja) * 2018-04-13 2022-01-05 王子ホールディングス株式会社 機能性シートおよび機能性シートキット

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60234836A (ja) * 1984-05-09 1985-11-21 昭和電工株式会社 脱水及び保水用シ−ト
US5059277A (en) * 1986-02-28 1991-10-22 The Procter & Gamble Company Adhesive-free bonding of continuously moving webs to form laminate web
IL82511A (en) * 1986-05-28 1992-09-06 Procter & Gamble Apparatus for and methods of airlaying fibrous webs having discrete particles therein
GB8717949D0 (en) * 1987-07-29 1987-09-03 Yarsley Technical Centre Ltd Water absorbent structures
US4822669A (en) * 1987-08-21 1989-04-18 Colgate-Palmolive Company Absorbent floor mat
US4824718A (en) * 1987-12-04 1989-04-25 Minnesota Mining And Manufacturing Company Porous film
US4861632A (en) * 1988-04-19 1989-08-29 Caggiano Michael A Laminated bag
US5055332A (en) * 1988-09-19 1991-10-08 Clean-Pak, Inc. Absorbent pad and method for constructing same

Also Published As

Publication number Publication date
EP0449267B1 (en) 1996-09-25
DE69122287D1 (de) 1996-10-31
KR910016486A (ko) 1991-11-05
CA2039357A1 (en) 1991-09-30
EP0449267A1 (en) 1991-10-02
KR0155999B1 (ko) 1998-11-16
AU7381691A (en) 1991-10-03
JPH03278945A (ja) 1991-12-10
JP2834266B2 (ja) 1998-12-09
DE69122287T2 (de) 1997-04-24
CA2039357C (en) 2002-01-22
US5143773A (en) 1992-09-01
AU636821B2 (en) 1993-05-06

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