EP0166060A3 - Cleaning material and method for its manufacture - Google Patents

Cleaning material and method for its manufacture Download PDF

Info

Publication number
EP0166060A3
EP0166060A3 EP19840402208 EP84402208A EP0166060A3 EP 0166060 A3 EP0166060 A3 EP 0166060A3 EP 19840402208 EP19840402208 EP 19840402208 EP 84402208 A EP84402208 A EP 84402208A EP 0166060 A3 EP0166060 A3 EP 0166060A3
Authority
EP
European Patent Office
Prior art keywords
cleaning
manufacture
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
EP19840402208
Other languages
French (fr)
Other versions
EP0166060B1 (en
EP0166060A2 (en
Inventor
Jean-Louis Neveu
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.)
Mapa Spontex SNC
Original Assignee
Spontex SAS
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 to GB8416344 priority Critical
Priority to GB8416344A priority patent/GB2162213B/en
Application filed by Spontex SAS filed Critical Spontex SAS
Priority claimed from NZ21256785A external-priority patent/NZ212567A/en
Priority to EP19850402208 priority patent/EP0222955B1/en
Publication of EP0166060A2 publication Critical patent/EP0166060A2/en
Publication of EP0166060A3 publication Critical patent/EP0166060A3/en
Application granted granted Critical
Publication of EP0166060B1 publication Critical patent/EP0166060B1/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16Cloths; Pads; Sponges
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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
    • D04H1/4282Addition polymers
    • D04H1/4291Olefin series
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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
    • D04H1/4326Condensation or reaction polymers
    • D04H1/4334Polyamides
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/42Non-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
    • D04H1/4326Condensation or reaction polymers
    • D04H1/435Polyesters
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/44Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46Non-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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H11/00Non-woven pile fabrics
    • D04H11/08Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/04Processes in which the treating agent is applied in the form of a foam
    • 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
    • Y10T428/23907Pile or nap type surface or component
    • Y10T428/23979Particular backing structure or composition
    • 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
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/682Needled nonwoven fabric
    • Y10T442/684Containing at least two chemically different strand or fiber materials
EP19840402208 1984-06-27 1984-11-05 Cleaning material and method for its manufacture Expired EP0166060B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8416344 1984-06-27
GB8416344A GB2162213B (en) 1984-06-27 1984-06-27 Improvements in and relating to cleaning
EP19850402208 EP0222955B1 (en) 1984-06-27 1985-11-15 Process for making cleaning cloths with slipping properties

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ21256785A NZ212567A (en) 1984-06-27 1985-06-26 Cleaning material: needle punched web with protruding loops
AU44209/85A AU571093B2 (en) 1984-06-27 1985-06-26 Cleaning material

Publications (3)

Publication Number Publication Date
EP0166060A2 EP0166060A2 (en) 1986-01-02
EP0166060A3 true EP0166060A3 (en) 1986-11-20
EP0166060B1 EP0166060B1 (en) 1988-09-21

Family

ID=39615629

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19840402208 Expired EP0166060B1 (en) 1984-06-27 1984-11-05 Cleaning material and method for its manufacture
EP19850402208 Expired EP0222955B1 (en) 1984-06-27 1985-11-15 Process for making cleaning cloths with slipping properties

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19850402208 Expired EP0222955B1 (en) 1984-06-27 1985-11-15 Process for making cleaning cloths with slipping properties

Country Status (7)

Country Link
US (1) US4645699A (en)
EP (2) EP0166060B1 (en)
AU (1) AU591728B2 (en)
DE (2) DE3474105D1 (en)
ES (1) ES2003931A6 (en)
GB (1) GB2162213B (en)
ZA (1) ZA8504803B (en)

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FR2603793B1 (en) * 1986-09-15 1989-12-15 Effireal Surface dust collection device
AU2881089A (en) * 1988-01-27 1989-07-27 Spontex Abrasive and/or scouring pad, substitute for steel wool, and process for producing same
FR2626162B1 (en) * 1988-01-27 1991-07-12 Spontex Sa Abrasive pad, steel wool substitute, and / or recurring, and process for obtaining same
FR2634018B1 (en) * 1988-07-08 1991-10-25 Dosim Dev Sa Device for controlling the dust of a surface
GB2225931A (en) * 1988-11-22 1990-06-20 Scot Young Serv Syst Ltd Cleaning devices
DE4023345C2 (en) * 1990-07-23 1994-08-18 Margarete Burkhardt Device for cleaning surfaces
DE9104531U1 (en) * 1991-04-13 1992-01-16 Sito Metall- Und Kunststoffverarbeitung, 8996 Opfenbach, De
US5346757A (en) * 1992-02-07 1994-09-13 Yugengaisya Towa Door mat and a method of manufacture thereof
GB2273651B (en) * 1992-12-22 1996-06-12 Systemcare 2000 Limited Keyboard cleaning
DE4322871A1 (en) * 1993-07-09 1995-01-12 Coronet Werke Gmbh Surfaces for cleaning or treating surfaces and processes for their manufacture
JP2684002B2 (en) * 1993-07-27 1997-12-03 有限会社トーワ Method and apparatus for manufacturing multicolor mud-dripping mat
FR2723525B1 (en) * 1994-08-12 1996-10-31 Elysees Balzac Financiere Body of alveolar material, combination of cleaning and / or scouring, processes for their preparation
US5591239A (en) * 1994-08-30 1997-01-07 Minnesota Mining And Manufacturing Company Nonwoven abrasive article and method of making same
FI96585C (en) * 1994-09-06 1996-07-25 Kwh Mirka Ab Oy sanding
DE19518975C1 (en) * 1995-05-23 1996-06-13 Freudenberg Carl Fa Cleaning cloth
EP0750063B1 (en) * 1995-06-23 1999-10-27 THE PROCTER & GAMBLE COMPANY Cleaning articles, substrates therefor, and method of substrate manufacture
US5814388A (en) * 1995-09-22 1998-09-29 The Clorox Company Scrubbing device comprises a woven scrim and absorbent body
US5891547A (en) * 1997-02-04 1999-04-06 Precision Fabrics Group, Inc. Needle punch nonwoven component for refastenable fastening device
DE19710032B4 (en) * 1997-03-12 2004-01-29 Carl Freudenberg Kg Textile surface material for cleaning purposes
EP0888743A1 (en) 1997-07-02 1999-01-07 Firma Carl Freudenberg Structured textile material having at least two fleeces and manufacturing process
US6342285B1 (en) 1997-09-03 2002-01-29 Velcro Industries B.V. Fastener loop material, its manufacture, and products incorporating the material
US6329016B1 (en) 1997-09-03 2001-12-11 Velcro Industries B.V. Loop material for touch fastening
US6869659B2 (en) 1997-09-03 2005-03-22 Velcro Industries B.V. Fastener loop material, its manufacture, and products incorporating the material
USD406681S (en) 1997-10-15 1999-03-09 The Clorox Company Rhomboidal scrubbing sponge
JPH11318791A (en) * 1998-05-18 1999-11-24 Uni Charm Corp Raised wiping sheet, its manufacture, and cleaning article using the wiping sheet
AU1444000A (en) * 1998-10-09 2000-05-01 Airformed Composites, Inc. Nonwoven fabric composites having zones of diverse properties
US6453502B1 (en) 1998-12-22 2002-09-24 Bishop Deforest Universal cleaning and polishing pad
GB2345838A (en) * 1999-01-15 2000-07-26 Unilever Plc Washing implement comprising an entangled mass of extruded polymer filament
KR20010077591A (en) * 2000-02-03 2001-08-20 복성해 A novel metalloprotease and a gene thereof derived from Aranicola proteolyticus
DE60132310T2 (en) 2000-03-14 2009-01-02 Velcro Industries B.V. Velcro system
AU5300300A (en) * 2000-05-26 2001-12-11 Deforest Bishop Universal cleaning and polishing pad
US20050217092A1 (en) * 2002-12-03 2005-10-06 Barker James R Anchoring loops of fibers needled into a carrier sheet
US20050196583A1 (en) * 2002-12-03 2005-09-08 Provost George A. Embossing loop materials
US20050196580A1 (en) * 2002-12-03 2005-09-08 Provost George A. Loop materials
US7465366B2 (en) * 2002-12-03 2008-12-16 Velero Industries B.V. Needling loops into carrier sheets
DE60320021T2 (en) * 2002-12-03 2009-04-02 Velcro Industries B.V. Schlingenbildung mittels neadelung by trägeschichten
US7547469B2 (en) * 2002-12-03 2009-06-16 Velcro Industries B.V. Forming loop materials
US8753459B2 (en) * 2002-12-03 2014-06-17 Velcro Industries B.V. Needling loops into carrier sheets
MXPA05013215A (en) * 2003-06-11 2006-03-09 Procter & Gamble Cleaning pads.
US7622408B2 (en) * 2003-07-01 2009-11-24 Dzs, Llc Fabric-faced composites and methods for making same
US7578023B2 (en) 2004-04-30 2009-08-25 3M Innovative Properties Company Applicator pad
US20060019579A1 (en) * 2004-07-26 2006-01-26 Braunschweig Ehrich J Non-loading abrasive article
JP2008526529A (en) 2004-12-30 2008-07-24 スリーエム イノベイティブ プロパティズ カンパニー Abrasive article and method for producing the same
US20060191092A1 (en) * 2005-02-28 2006-08-31 O'reilly Donna M Multi-purpose mitt
US7562426B2 (en) * 2005-04-08 2009-07-21 Velcro Industries B.V. Needling loops into carrier sheets
US20060230569A1 (en) * 2005-04-13 2006-10-19 Chi-Hung Chen Cleaning cloth
US7258705B2 (en) 2005-08-05 2007-08-21 3M Innovative Properties Company Abrasive article and methods of making same
US7252694B2 (en) 2005-08-05 2007-08-07 3M Innovative Properties Company Abrasive article and methods of making same
WO2007029335A1 (en) * 2005-09-09 2007-03-15 Sanko Co., Ltd. Cleaning cloth
US7244170B2 (en) 2005-09-16 2007-07-17 3M Innovative Properties Co. Abrasive article and methods of making same
US7390244B2 (en) 2005-09-16 2008-06-24 3M Innovative Properties Company Abrasive article mounting assembly and methods of making same
US7393269B2 (en) 2005-09-16 2008-07-01 3M Innovative Properties Company Abrasive filter assembly and methods of making same
US20070178273A1 (en) * 2006-02-01 2007-08-02 Provost George A Embossing loop materials
JP2008087082A (en) * 2006-09-29 2008-04-17 Three M Innovative Properties Co Grinding tool for sucking dust
US20080113152A1 (en) * 2006-11-14 2008-05-15 Velcro Industries B.V. Loop Materials
US7452265B2 (en) 2006-12-21 2008-11-18 3M Innovative Properties Company Abrasive article and methods of making same
DE102007043566B4 (en) * 2007-06-04 2011-07-21 VERMOP Salmon GmbH, 82205 Structured multilayer nonwoven fabric and method of making the same
EP2152948B1 (en) * 2007-06-07 2014-03-19 Velcro Industries B.V. Anchoring loops of fibers needled into a carrier sheet
CA2685904C (en) * 2009-12-04 2013-05-14 The Procter & Gamble Company Cleaning article with non-planar element in place of strips
WO2013028250A1 (en) 2011-08-25 2013-02-28 Velcro Industries B.V Loop-engageable fasteners and related systems and methods
WO2013028251A1 (en) 2011-08-25 2013-02-28 Velcro Industries B.V Hook-engageable loop fasteners and related systems and methods
US20150259178A1 (en) * 2014-03-12 2015-09-17 Renaelc, Inc. Cleaning Pad and Cleaning Implement
CN105862255A (en) * 2016-05-07 2016-08-17 洛阳辰祥机械科技有限公司 Polypropylene synthetic fiber environment-friendly cleaning cloth and preparation method thereof
IT201600107600A1 (en) * 2016-10-25 2018-04-25 Effetaglio S N C Di Ferrari Dario E C Technical cloth and its method of use.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175331A (en) * 1964-07-13 1965-03-30 Union Carbide Corp Cleaning and scouring pad
US3226751A (en) * 1963-02-08 1966-01-04 Jerome H Lemelson Combinational sponge and scouring device
GB1093900A (en) * 1965-11-12 1967-12-06 Union Carbide Corp Cleaning and scouring pad
FR1554901A (en) * 1967-12-14 1969-01-24
EP0087293A2 (en) * 1982-02-18 1983-08-31 Samuel Rogut Manufacture of a material which has abrasive properties

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GB1154842A (en) * 1965-07-21 1969-06-11 Ici Ltd Raised Tufted, Bonded Fibrous Structures
GB1229781A (en) * 1966-12-15 1971-04-28
GB1355180A (en) * 1970-11-20 1974-06-05 Vitafoam Ltd Laminated material
GB1501871A (en) * 1974-02-20 1978-02-22 Dunlop Ltd Pile fabrics
DE2529837A1 (en) * 1975-07-04 1977-01-27 Collo Gmbh Cleaning cloth for household purposes, for car care and the like.
GB1517375A (en) * 1975-07-14 1978-07-12 Ici Ltd Gloves
US4082878A (en) * 1975-08-16 1978-04-04 Firma Carl Freudenberg Absorbent textile sheet material
DE7619792U1 (en) * 1976-06-23 1977-03-17 Fa. Carl Freudenberg, 6940 Weinheim Grinding and cleaning cloth
FR2465815B1 (en) * 1979-09-20 1983-06-03 Anvar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226751A (en) * 1963-02-08 1966-01-04 Jerome H Lemelson Combinational sponge and scouring device
US3175331A (en) * 1964-07-13 1965-03-30 Union Carbide Corp Cleaning and scouring pad
GB1093900A (en) * 1965-11-12 1967-12-06 Union Carbide Corp Cleaning and scouring pad
FR1554901A (en) * 1967-12-14 1969-01-24
EP0087293A2 (en) * 1982-02-18 1983-08-31 Samuel Rogut Manufacture of a material which has abrasive properties

Also Published As

Publication number Publication date
EP0166060B1 (en) 1988-09-21
EP0166060A2 (en) 1986-01-02
GB2162213B (en) 1987-06-17
EP0222955B1 (en) 1989-01-25
ZA8504803B (en) 1986-04-30
DE3567919D1 (en) 1989-03-02
AU6537386A (en) 1987-05-21
ES2003931A6 (en) 1988-12-01
EP0222955A1 (en) 1987-05-27
US4645699A (en) 1987-02-24
DE3474105D1 (en) 1988-10-27
AU591728B2 (en) 1989-12-14
GB8416344D0 (en) 1984-08-01
GB2162213A (en) 1986-01-29

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