CA2016288A1 - Non-tisse absorbant souffle en fusion - Google Patents

Non-tisse absorbant souffle en fusion

Info

Publication number
CA2016288A1
CA2016288A1 CA2016288A CA2016288A CA2016288A1 CA 2016288 A1 CA2016288 A1 CA 2016288A1 CA 2016288 A CA2016288 A CA 2016288A CA 2016288 A CA2016288 A CA 2016288A CA 2016288 A1 CA2016288 A1 CA 2016288A1
Authority
CA
Canada
Prior art keywords
microns
melt
blown nonwoven
nonwoven wiper
layers
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.)
Granted
Application number
CA2016288A
Other languages
English (en)
Other versions
CA2016288C (fr
Inventor
Malcolm L. Johnson
Tracey A. Burbank
Mark D. Strickland
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.)
Kimberly Clark Worldwide Inc
Original Assignee
Kimberly Clark 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
Application filed by Kimberly Clark Corp filed Critical Kimberly Clark Corp
Publication of CA2016288A1 publication Critical patent/CA2016288A1/fr
Application granted granted Critical
Publication of CA2016288C publication Critical patent/CA2016288C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • 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
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
    • A61F2013/15967—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven by meltblown technique
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2432/00—Cleaning articles, e.g. mops or wipes
    • 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
    • Y10S428/903—Microfiber, less than 100 micron diameter
    • 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]
    • Y10T442/659—Including an additional nonwoven fabric

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
CA002016288A 1989-05-26 1990-05-08 Non-tisse absorbant souffle en fusion Expired - Fee Related CA2016288C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/357,397 US4904521A (en) 1989-05-26 1989-05-26 Melt-blown nonwoven wiper
US357,397 1989-05-26

Publications (2)

Publication Number Publication Date
CA2016288A1 true CA2016288A1 (fr) 1990-11-26
CA2016288C CA2016288C (fr) 2000-01-18

Family

ID=23405412

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002016288A Expired - Fee Related CA2016288C (fr) 1989-05-26 1990-05-08 Non-tisse absorbant souffle en fusion

Country Status (9)

Country Link
US (1) US4904521A (fr)
EP (1) EP0399495B1 (fr)
JP (1) JP2944707B2 (fr)
KR (1) KR0137013B1 (fr)
AT (1) ATE99364T1 (fr)
AU (1) AU626679B2 (fr)
CA (1) CA2016288C (fr)
DE (1) DE69005524T2 (fr)
ES (1) ES2047756T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6645604B1 (en) 1997-05-23 2003-11-11 The Procter & Gamble Company Structures useful as cleaning sheets
US6777064B1 (en) 1997-05-23 2004-08-17 The Procter & Gamble Company Cleaning sheets, implements, and articles useful for removing allergens from surfaces and methods of promoting the sale thereof

Families Citing this family (44)

* Cited by examiner, † Cited by third party
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US5085920A (en) * 1990-04-30 1992-02-04 Kimberly-Clark Corporation Nonwoven wipe having improved grease release
US5149576A (en) * 1990-11-26 1992-09-22 Kimberly-Clark Corporation Multilayer nonwoven laminiferous structure
US5145727A (en) * 1990-11-26 1992-09-08 Kimberly-Clark Corporation Multilayer nonwoven composite structure
US5258220A (en) 1991-09-30 1993-11-02 Minnesota Mining And Manufacturing Company Wipe materials based on multi-layer blown microfibers
US5176952A (en) * 1991-09-30 1993-01-05 Minnesota Mining And Manufacturing Company Modulus nonwoven webs based on multi-layer blown microfibers
US5232770A (en) * 1991-09-30 1993-08-03 Minnesota Mining And Manufacturing Company High temperature stable nonwoven webs based on multi-layer blown microfibers
US5229191A (en) * 1991-11-20 1993-07-20 Fiberweb North America, Inc. Composite nonwoven fabrics and method of making same
ES2121872T5 (es) * 1991-12-17 2003-01-16 Procter & Gamble Articulo absorbente higienico con componentes soplados en masa fundida.
US5540979A (en) * 1994-05-16 1996-07-30 Yahiaoui; Ali Porous non-woven bovine blood-oxalate absorbent structure
US5573719A (en) * 1994-11-30 1996-11-12 Kimberly-Clark Corporation Process of making highly absorbent nonwoven fabric
US5639541A (en) * 1995-12-14 1997-06-17 Kimberly-Clark Corporation Oil absorbent material with superior abrasive properties
US5721180A (en) * 1995-12-22 1998-02-24 Pike; Richard Daniel Laminate filter media
US6065591A (en) * 1997-12-19 2000-05-23 Bba Nonwovens Simpsonville, Inc. Non-resealable wet wipe package
AR018822A1 (es) * 1998-05-05 2001-12-12 Kimberly Clark Co Un material para productos para la higiene personal y los productos para la higiene personal obtenidos
US6107268A (en) * 1999-04-16 2000-08-22 Kimberly-Clark Worldwide, Inc. Sorbent material
PE20000627A1 (es) 1998-05-30 2000-07-26 Kimberly Clark Co Material absorbente
US6355583B1 (en) 1998-05-30 2002-03-12 Kimberly-Clark Worldwide, Inc. Multi-functional sorbent material
GB2359566B (en) * 1998-10-30 2003-01-08 Kimberly Clark Co Uniformly treated fibrous webs and methods of making the same
US7163349B2 (en) 1998-11-09 2007-01-16 The Procter & Gamble Company Combined cleaning pad and cleaning implement
US6910823B2 (en) 1998-11-09 2005-06-28 The Procter & Gamble Company Cleaning composition, pad, wipe, implement, and system and method of use thereof
US7144173B2 (en) 1998-11-09 2006-12-05 The Procter & Gamble Company Cleaning composition, pad, wipe, implement, and system and method of use thereof
AU1816200A (en) * 1998-11-09 2000-05-29 Procter & Gamble Company, The Cleaning composition, pad, wipe, implement, and system and method of use thereof
EP1178844B1 (fr) * 1999-05-21 2005-10-26 The Procter & Gamble Company Article absorbent integrant une composition de soin de la peau
MY125395A (en) * 1999-07-08 2006-07-31 Kao Corp Personal cleansing sheet
FR2810529B1 (fr) * 2000-06-27 2002-11-08 Elysees Balzac Financiere Complexe d'essuyage, procede d'elaboration
US6936554B1 (en) * 2000-11-28 2005-08-30 Kimberly-Clark Worldwide, Inc. Nonwoven fabric laminate with meltblown web having a gradient fiber size structure
US6759567B2 (en) 2001-06-27 2004-07-06 Kimberly-Clark Worldwide, Inc. Pulp and synthetic fiber absorbent composites for personal care products
US6838590B2 (en) 2001-06-27 2005-01-04 Kimberly-Clark Worldwide, Inc. Pulp fiber absorbent composites for personal care products
US20030171051A1 (en) 2002-03-08 2003-09-11 3M Innovative Properties Company Wipe
US20030200991A1 (en) * 2002-04-29 2003-10-30 Kimberly-Clark Worldwide, Inc. Dual texture absorbent nonwoven web
CA112536S (en) 2003-10-08 2007-03-14 Procter & Gamble Cleaning pad
US20050148264A1 (en) * 2003-12-30 2005-07-07 Varona Eugenio G. Bimodal pore size nonwoven web and wiper
US20050148262A1 (en) * 2003-12-30 2005-07-07 Varona Eugenio G. Wet wipe with low liquid add-on
US7891898B2 (en) 2005-01-28 2011-02-22 S.C. Johnson & Son, Inc. Cleaning pad for wet, damp or dry cleaning
US7740412B2 (en) 2005-01-28 2010-06-22 S.C. Johnson & Son, Inc. Method of cleaning using a device with a liquid reservoir and replaceable non-woven pad
US7976235B2 (en) 2005-01-28 2011-07-12 S.C. Johnson & Son, Inc. Cleaning kit including duster and spray
US7566671B2 (en) 2005-01-28 2009-07-28 S.C. Johnson & Son, Inc. Cleaning or dusting pad
EP1696064A1 (fr) * 2005-02-23 2006-08-30 Carl Freudenberg KG Lingettes, procédé de fabrication et utilisation
US20070049153A1 (en) * 2005-08-31 2007-03-01 Dunbar Charlene H Textured wiper material with multi-modal pore size distribution
US8893347B2 (en) 2007-02-06 2014-11-25 S.C. Johnson & Son, Inc. Cleaning or dusting pad with attachment member holder
KR100980114B1 (ko) * 2009-09-25 2010-09-07 웅진케미칼 주식회사 용출사 함유 패드를 포함하는 물품
CN104928846A (zh) * 2015-07-08 2015-09-23 常州市武进常友无纺布制品厂 一种吸油无纺布
MY209070A (en) * 2018-05-17 2025-06-19 Pfnonwovens Holding S R O Multilayered nonwoven fabrics and method of making the same
CN111876905A (zh) * 2020-08-25 2020-11-03 江苏金美达新材料有限公司 一种多层熔喷无纺布及其制备方法

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US31885A (en) * 1861-04-02 goulard
US3849241A (en) * 1968-12-23 1974-11-19 Exxon Research Engineering Co Non-woven mats by melt blowing
US3795571A (en) * 1969-10-09 1974-03-05 Exxon Research Engineering Co Laminated non-woven sheet
US4165352A (en) * 1976-10-18 1979-08-21 James River Corp. Method of producing self-bonded, melt-blown battery separators, and resulting product
USRE31885E (en) 1977-10-17 1985-05-14 Kimberly-Clark Corporation Microfiber oil and water wipe
US4436780A (en) * 1982-09-02 1984-03-13 Kimberly-Clark Corporation Nonwoven wiper laminate
US4666763A (en) * 1984-12-07 1987-05-19 Akzona Incorporated Fiber batts and the method of making
US4774125A (en) * 1985-10-02 1988-09-27 Surgikos, Inc. Nonwoven fabric with improved abrasion resistance
US4824451A (en) * 1985-12-31 1989-04-25 Kimberly-Clark Corporation Melt-blown filter medium
US4753843A (en) * 1986-05-01 1988-06-28 Kimberly-Clark Corporation Absorbent, protective nonwoven fabric
US4714647A (en) * 1986-05-02 1987-12-22 Kimberly-Clark Corporation Melt-blown material with depth fiber size gradient
US4775582A (en) * 1986-08-15 1988-10-04 Kimberly-Clark Corporation Uniformly moist wipes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6645604B1 (en) 1997-05-23 2003-11-11 The Procter & Gamble Company Structures useful as cleaning sheets
US6777064B1 (en) 1997-05-23 2004-08-17 The Procter & Gamble Company Cleaning sheets, implements, and articles useful for removing allergens from surfaces and methods of promoting the sale thereof

Also Published As

Publication number Publication date
ATE99364T1 (de) 1994-01-15
KR900018587A (ko) 1990-12-22
EP0399495B1 (fr) 1993-12-29
ES2047756T3 (es) 1994-03-01
AU626679B2 (en) 1992-08-06
JPH0382861A (ja) 1991-04-08
CA2016288C (fr) 2000-01-18
DE69005524D1 (de) 1994-02-10
KR0137013B1 (ko) 1998-04-28
US4904521A (en) 1990-02-27
AU5595190A (en) 1990-11-29
DE69005524T2 (de) 1994-04-21
JP2944707B2 (ja) 1999-09-06
EP0399495A1 (fr) 1990-11-28

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Legal Events

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EEER Examination request
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