DK158576A - Hydrofil polyurethan - Google Patents

Hydrofil polyurethan

Info

Publication number
DK158576A
DK158576A DK158576A DK158576A DK158576A DK 158576 A DK158576 A DK 158576A DK 158576 A DK158576 A DK 158576A DK 158576 A DK158576 A DK 158576A DK 158576 A DK158576 A DK 158576A
Authority
DK
Denmark
Prior art keywords
hydrophil
polyurethane
hydrophil polyurethane
Prior art date
Application number
DK158576A
Other languages
English (en)
Other versions
DK160209C (da
DK160209B (da
Inventor
R Violland
A Lagasse
B Papillon
J Neel
M Coudurier
Original Assignee
Rhone Poulenc Ind
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 Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of DK158576A publication Critical patent/DK158576A/da
Publication of DK160209B publication Critical patent/DK160209B/da
Application granted granted Critical
Publication of DK160209C publication Critical patent/DK160209C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
    • C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3726—Polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S528/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S528/904—Isocyanate polymer having stated hydrophilic or hydrophobic property
    • 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
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
    • Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
    • 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.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2279—Coating or impregnation improves soil repellency, soil release, or anti- soil redeposition qualities of fabric

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DK158576A 1975-04-23 1976-03-31 Anvendelse af en hydrofil polyurethan som smuds-genafsaetningsmodvirkende og smudsloesnende middel i vaskemidler DK160209C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7513487 1975-04-23
FR7513487A FR2308646A1 (fr) 1975-04-23 1975-04-23 Polyurethanne hydrophile et son application

Publications (3)

Publication Number Publication Date
DK158576A true DK158576A (da) 1976-10-24
DK160209B DK160209B (da) 1991-02-11
DK160209C DK160209C (da) 1991-07-15

Family

ID=9154631

Family Applications (1)

Application Number Title Priority Date Filing Date
DK158576A DK160209C (da) 1975-04-23 1976-03-31 Anvendelse af en hydrofil polyurethan som smuds-genafsaetningsmodvirkende og smudsloesnende middel i vaskemidler

Country Status (21)

Country Link
US (1) US4068035A (da)
JP (1) JPS51133397A (da)
AT (1) AT351266B (da)
BE (1) BE841013A (da)
BR (1) BR7602413A (da)
CA (1) CA1070890A (da)
CH (1) CH606176A5 (da)
DD (2) DD130154A5 (da)
DE (1) DE2617589C2 (da)
DK (1) DK160209C (da)
ES (1) ES447239A1 (da)
FI (1) FI761112A (da)
FR (1) FR2308646A1 (da)
GB (1) GB1522061A (da)
IT (1) IT1058200B (da)
LU (1) LU74812A1 (da)
NL (1) NL182730C (da)
NO (1) NO761376L (da)
SE (1) SE7604653L (da)
YU (1) YU103276A (da)
ZA (1) ZA762387B (da)

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US7291570B1 (en) 2000-06-02 2007-11-06 Milliken & Company Yarns and fabrics having a wash-durable non-electrically conductive topically applied metal-based finish
DE2651505A1 (de) * 1976-11-11 1978-05-24 Bayer Ag Kationische elektrolytstabile dispersionen
DE2651506C2 (de) * 1976-11-11 1986-04-30 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von in Wasser dispergierbaren Polyurethanen
US4201824A (en) * 1976-12-07 1980-05-06 Rhone-Poulenc Industries Hydrophilic polyurethanes and their application as soil-release, anti-soil redeposition, and anti-static agents for textile substrates
DE2659617A1 (de) * 1976-12-30 1978-07-06 Bayer Ag Elektrolyte enthaltende ionomer- dispersionen
DE2730514A1 (de) * 1977-07-06 1979-01-18 Bayer Ag Verfahren zur herstellung von in wasser loeslichen polyurethanen
CH636235B (de) * 1977-09-06 1900-01-01 Sandoz Ag Verfahren zur herstellung von polyurethanen und deren verwendung in binderdispersionen zum verkleben von fasern in vliesstoffen.
FR2407980A1 (fr) * 1977-11-02 1979-06-01 Rhone Poulenc Ind Nouvelles compositions anti-salissure et anti-redeposition utilisables en detergence
JPS5468498A (en) * 1977-11-08 1979-06-01 Teijin Ltd Leather like sheet article and production thereof
DE2848431A1 (de) * 1978-11-08 1980-05-14 Bayer Ag Wasserloesliche, ultrafiltrierbare polyurethan-anionomere und ihre verwendung als schlichtemittel in der textilindustrie
DE2905651A1 (de) * 1979-02-14 1980-08-21 Bayer Ag Mischung aus aminen und polyaetherverbindungen, deren herstellung und verwendung als waermesensibilisierungsmittel
JPS56127697A (en) * 1980-03-10 1981-10-06 Dai Ichi Kogyo Seiyaku Co Ltd New decomposable surfactant
DE3036373A1 (de) * 1980-09-26 1982-05-13 Bayer Ag, 5090 Leverkusen Mischung aus alkoxylierten polyaminen und polyetherverbindungen, deren herstellung und verwendung als waermesensibilisierungsmittel
JPS58220879A (ja) * 1982-06-18 1983-12-22 東レ株式会社 永久制電性合成繊維
US4622378A (en) * 1982-12-23 1986-11-11 The Procter & Gamble Company Zwitterionic polymers having clay soil removal/anti-redeposition properties useful in detergent compositions
DE3568455D1 (en) * 1984-05-23 1989-04-06 Rhone Poulenc Chimie Detergent compositions containing copolymers based on polyoxyethylene and polyoxyalkylene used as antisoil redeposition agents, and process for their preparation
FR2564852B1 (fr) * 1984-05-23 1987-10-23 Rhone Poulenc Chimie Compositions detergentes comprenant des polymeres oxyde d'ethylene-oxyde d'alkylene a titre d'agents antiredeposants.
DE3446084A1 (de) * 1984-12-18 1986-06-19 Hoechst Ag, 6230 Frankfurt Additionsverbindungen und verfahren zu ihrer herstellung
EP0222899B1 (en) * 1985-05-31 1992-04-22 PORTEOUS, Don D. Tooth restoration composition, structure and methods
DE3536530A1 (de) * 1985-10-12 1987-04-23 Basf Ag Verwendung von pfropfcopolymerisaten aus polyalkylenoxiden und vinylacetat als vergrauungsinhibitoren beim waschen und nachbehandeln von synthesefasern enthaltendem textilgut
AU626269B2 (en) * 1987-09-18 1992-07-30 Rheox International, Inc. Water dispersible, modified polyurethane thickener with improved high shear viscosity in aqueous systems
US5023309A (en) * 1987-09-18 1991-06-11 Rheox, Inc. Water dispersible, modified polyurethane thickener with improved high shear viscosity in aqueous systems
US5334691A (en) * 1990-07-24 1994-08-02 Tyndale Plains-Hunter Ltd. Hydrophilic polyurethanes of improved strength
DE4039193A1 (de) * 1990-12-08 1992-06-11 Bayer Ag In wasser dispergierbare, elektrolytstabile polyetherester-modifizierte polyurethanionomere
US5352754A (en) * 1992-10-26 1994-10-04 Becton, Dickinson And Company High impact polyurethane
FR2732690B1 (fr) * 1995-04-05 1997-05-09 Rhone Poulenc Chimie Formulation detergente a proprietes anti-salissures pour le lavage du linge
US5725951A (en) * 1995-08-28 1998-03-10 Milliken Research Corporation Lubricant and soil release finish for yarns
US5807957A (en) * 1996-12-23 1998-09-15 Macrochem Corporation Cationic film-forming polymer compositions, and use thereof in topical agents delivery system and method of delivering agents to the skin
US6025284A (en) * 1997-12-01 2000-02-15 Marco; Francis W. Sun protective fabric
US5968207A (en) * 1998-02-20 1999-10-19 Milliken & Company Esterified triclosan derivatives as improved textile antimicrobial agents
US6033608A (en) * 1998-03-11 2000-03-07 Milliken & Company Method for making foam rubber tree bark-configured articles having manmade textiles backings
US6194330B1 (en) * 1998-07-31 2001-02-27 Milliken & Company Polymer latex for ultraviolet absorbtion on fabric
US6180178B1 (en) 1998-10-22 2001-01-30 Milliken & Company Method of producing support garments by applying polyurethane coatings to specific areas of fabric
US6263707B1 (en) 1999-09-20 2001-07-24 Milliken & Company Opaque heat-moldable circular knit support fabrics having very high spandex content
US6406748B2 (en) * 2000-02-14 2002-06-18 Henkel Corporation Prevention of particle redeposition onto organic surfaces
US6946433B2 (en) 2000-06-02 2005-09-20 Milliken & Company Textiles having a wash-durable silver-ion based antimicrobial topical treatment
FR2811993B1 (fr) * 2000-07-21 2006-08-04 Oreal Nouveaux polymeres associatifs cationiques et leur utilisation comme epaississants
DE10056163A1 (de) * 2000-11-13 2002-05-23 Basf Ag Hydrophil modifizierte Polyisocyanate und Polyurethane zur Antiknitterausrüstung von cellulosehaltigen Textilien
JP4567334B2 (ja) * 2001-10-22 2010-10-20 ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン 綿活性汚れ除去性ウレタン系ポリマー
FR2833837B1 (fr) * 2001-12-21 2005-08-05 Oreal Composition pour la teinture d'oxydation des fibres keratiniques comprenant un amide d'acide gras de colza oxyethylene
US7012033B2 (en) * 2002-12-17 2006-03-14 Milliken And Company Fluorochemical-containing textile finishes that exhibit wash-durable soil release and moisture wicking properties
DE10339479A1 (de) * 2003-08-27 2005-05-12 Basf Ag Schaumregulierungsmittel auf Basis von kationischen Urethan-Oligomeren
US20070010153A1 (en) * 2005-07-11 2007-01-11 Shaffer Lori A Cleanroom wiper
US20070010148A1 (en) * 2005-07-11 2007-01-11 Shaffer Lori A Cleanroom wiper
US20090246258A1 (en) * 2008-03-28 2009-10-01 Piyush Shukla Antimicrobial and odor adsorbing textile
GB201403550D0 (en) * 2014-02-28 2014-04-16 Reckitt Benckiser Brands Ltd Composition
CA3096695A1 (en) 2018-04-13 2019-10-17 Amtex Innovations Llc Stitchbonded washable nonwoven towels and method for making
US11884899B2 (en) 2018-06-01 2024-01-30 Amtex Innovations Llc Methods of laundering stitchbonded nonwoven towels using a soil release polymer
WO2019232380A1 (en) 2018-06-01 2019-12-05 Amtex Innovations Llc Methods of washing stitchbonded nonwoven towels using a soil release polymer
US10822578B2 (en) 2018-06-01 2020-11-03 Amtex Innovations Llc Methods of washing stitchbonded nonwoven towels using a soil release polymer
US20230357673A1 (en) 2019-12-19 2023-11-09 Lubrizol Advanced Materials, Inc. Redeposition inhibiting polymers and detergent compositions containing same
CN116377721A (zh) * 2023-02-20 2023-07-04 广州恒锦化工科技有限公司 聚氨酯无氟易去污整理剂及制备方法

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BE639107A (da) * 1962-10-26
FR1416463A (fr) * 1963-09-19 1965-11-05 Bayer Ag Procédé de préparation de latex aqueux de polyuréthane sans émulsifiant
US3503915A (en) * 1966-08-29 1970-03-31 Minnesota Mining & Mfg Fabric treating composition and treated fabric
BE757935A (fr) * 1969-10-23 1971-04-01 Bayer Ag Procede de preparation de polymeres cationiques modifies en emulsion
US3781238A (en) * 1971-08-04 1973-12-25 Textron Inc Aqueous chain extension of nco prepolymer with tertiary amino polyol using nonionic surfactant,and aqueous dispersion produced
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Also Published As

Publication number Publication date
DE2617589A1 (de) 1976-10-28
DD130581A5 (de) 1978-04-12
CH606176A5 (da) 1978-11-15
BR7602413A (pt) 1976-10-19
DE2617589C2 (de) 1985-01-31
JPS5434435B2 (da) 1979-10-26
DK160209C (da) 1991-07-15
YU103276A (en) 1982-02-28
DD130154A5 (de) 1978-03-08
DK160209B (da) 1991-02-11
FR2308646B1 (da) 1980-10-10
ZA762387B (en) 1977-04-27
BE841013A (fr) 1976-10-22
NL182730C (nl) 1988-05-02
CA1070890A (fr) 1980-01-29
GB1522061A (en) 1978-08-23
FI761112A (da) 1976-10-24
SE7604653L (sv) 1976-10-24
LU74812A1 (da) 1977-06-03
NL182730B (nl) 1987-12-01
AT351266B (de) 1979-07-10
ES447239A1 (es) 1977-11-16
JPS51133397A (en) 1976-11-19
IT1058200B (it) 1982-04-10
FR2308646A1 (fr) 1976-11-19
ATA295276A (de) 1978-12-15
US4068035A (en) 1978-01-10
NL7604284A (nl) 1976-10-26
NO761376L (da) 1977-02-15

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