AT375665B - Mikroporoese polymerprodukte und verfahren zu ihrer herstellung - Google Patents

Mikroporoese polymerprodukte und verfahren zu ihrer herstellung

Info

Publication number
AT375665B
AT375665B AT0627277A AT627277A AT375665B AT 375665 B AT375665 B AT 375665B AT 0627277 A AT0627277 A AT 0627277A AT 627277 A AT627277 A AT 627277A AT 375665 B AT375665 B AT 375665B
Authority
AT
Austria
Prior art keywords
production
polymer products
microporous polymer
microporous
products
Prior art date
Application number
AT0627277A
Other languages
German (de)
English (en)
Other versions
ATA627277A (de
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Publication of ATA627277A publication Critical patent/ATA627277A/de
Application granted granted Critical
Publication of AT375665B publication Critical patent/AT375665B/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0018—Thermally induced processes [TIPS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N7/00—Shells for rollers of printing machines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/149—Antislip compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/46—Impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/026—Sponge structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02—Top layers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Plant Pathology (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
AT0627277A 1976-08-30 1977-08-30 Mikroporoese polymerprodukte und verfahren zu ihrer herstellung AT375665B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71854976A 1976-08-30 1976-08-30
US81435177A 1977-07-11 1977-07-11

Publications (2)

Publication Number Publication Date
ATA627277A ATA627277A (de) 1984-01-15
AT375665B true AT375665B (de) 1984-08-27

Family

ID=27109924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0627277A AT375665B (de) 1976-08-30 1977-08-30 Mikroporoese polymerprodukte und verfahren zu ihrer herstellung

Country Status (22)

Country Link
JP (2) JPS5329367A (sv)
AR (1) AR220685A1 (sv)
AT (1) AT375665B (sv)
AU (1) AU511101B2 (sv)
BR (1) BR7705790A (sv)
CA (1) CA1110811A (sv)
CH (1) CH649565A5 (sv)
DD (1) DD140052A5 (sv)
DE (1) DE2737745C2 (sv)
DK (1) DK171108B1 (sv)
ES (2) ES461970A1 (sv)
FI (1) FI68639C (sv)
FR (1) FR2362890A1 (sv)
GB (1) GB1576228A (sv)
GR (1) GR64881B (sv)
IT (1) IT1143677B (sv)
MX (1) MX148613A (sv)
NL (1) NL7709505A (sv)
NO (1) NO151369C (sv)
PL (1) PL111017B1 (sv)
SE (1) SE441928B (sv)
TR (1) TR19643A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380179B (de) * 1978-07-31 1986-04-25 Akzo Nv Verfahren zur herstellung einer membran mit poroeser struktur in form eines hohlfadens
DE2916581C2 (de) * 1979-04-24 1982-09-23 Akzo Gmbh, 5600 Wuppertal Ummantelung für elektrische Leiter und Wellenleiter
CA1202837A (en) * 1980-03-14 1986-04-08 Wolfgang J. Wrasidlo Asymmetric membranes and process therefor
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof
DE3026688C2 (de) * 1980-07-15 1986-02-20 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von pulverförmigen, porösen Polymerteilchen
DE3026762C2 (de) * 1980-07-15 1985-04-25 Akzo Gmbh, 5600 Wuppertal Verfahren zum Herstellen von porösem, pulverförmigem Polypropylen und Verwendung der Verfahrensprodukte
DE3049557A1 (de) * 1980-12-31 1982-07-29 Akzo Gmbh, 5600 Wuppertal Poroese schlaeuche
DE3049558A1 (de) * 1980-12-31 1982-07-29 Akzo Gmbh, 5600 Wuppertal Unterirdische bewaesserung oder traenkung von boeden
NZ199916A (en) * 1981-03-11 1985-07-12 Unilever Plc Low density polymeric block material for use as carrier for included liquids
CA1196620A (en) * 1981-06-26 1985-11-12 Donald Barby Substrate carrying a porous polymeric material
DE3129064A1 (de) * 1981-07-23 1983-02-10 Akzo Gmbh, 5600 Wuppertal Verfahren und vorrichtung zur blutoxygenation
JPS5829839A (ja) * 1981-08-13 1983-02-22 Mitsubishi Plastics Ind Ltd 微孔性多孔膜の製法
DE3205289C2 (de) * 1982-02-15 1984-10-31 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung
DE3214667C2 (de) * 1982-04-21 1985-07-18 Akzo Gmbh, 5600 Wuppertal Zusammengesetzter Körper für die Langzeitabgabe von Wirkstoffen
DE3215211A1 (de) * 1982-04-23 1983-10-27 Akzo Gmbh Mikroporoese mit wirkstoffen beladene pulver
JPS5931701A (ja) * 1982-08-16 1984-02-20 Nitto Electric Ind Co Ltd 液状活性物質含有膜及びその製造方法
US4490431A (en) * 1982-11-03 1984-12-25 Akzona Incorporated 0.1 Micron rated polypropylene membrane and method for its preparation
DE3304951A1 (de) * 1983-02-12 1984-08-16 Akzo Gmbh, 5600 Wuppertal Vorrichtung zum filtern einer fluessigkeit
DE3481817D1 (de) * 1983-07-30 1990-05-10 Akzo Gmbh Poren aufweisende formkoerper.
DE3327638C2 (de) * 1983-07-30 1986-08-07 Akzo Gmbh, 5600 Wuppertal Verfahren und Vorrichtung zur Herstellung Poren aufweisender Formkörper
NL8400516A (nl) * 1984-02-17 1985-09-16 Naarden International Nv Werkwijze ter bereiding van luchtverfrissingsgelen.
GB8405680D0 (en) * 1984-03-05 1984-04-11 Unilever Plc Porous polymers
DE3426122A1 (de) * 1984-07-16 1986-01-23 Henkel KGaA, 4000 Düsseldorf Werkzeug zur haarbehandlung
DE3610548A1 (de) * 1986-03-27 1987-10-01 Sick Optik Elektronik Erwin Verfahren und vorrichtung zum bewaessern von boeden
DE3624363C2 (de) * 1986-07-18 1995-06-08 Akzo Gmbh Vorrichtung zum Abtrennen von Gasblasen aus Infusionsflüssigkeiten oder Flüssigkeiten des menschlichen Körpers
US4726989A (en) † 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
GB8709688D0 (en) 1987-04-24 1987-05-28 Unilever Plc Porous material
US4867881A (en) * 1987-09-14 1989-09-19 Minnesota Minning And Manufacturing Company Orientied microporous film
GB8916776D0 (en) * 1989-07-21 1989-09-06 Wilson Robert W Slow release chemicals
CH685878A5 (de) * 1993-12-08 1995-10-31 Brugg Ag Kabelwerke Verfahren zur Herstellung eines additivbeladenen poroesen Traegermaterials
US5716997A (en) * 1994-09-01 1998-02-10 Bridgestone Corporation Polymeric reticulated structure and method for making
US5571415A (en) * 1994-11-02 1996-11-05 Rohm And Haas Company Method for preparing porous polymer structures
DE19700760C2 (de) * 1997-01-11 2000-11-09 Microdyn Modulbau Gmbh & Co Kg Verfahren zur Herstellung von porösen Formkörpern aus thermoplastischen Polymeren, poröse Formkörper und Verwendung der Formkörper
US6376046B1 (en) 1997-01-31 2002-04-23 Kao Corporation Cleaning article impregnated with detergent
WO1999004891A1 (de) * 1997-07-23 1999-02-04 Akzo Nobel Nv Integral asymmetrische polyolefinmembran zum gasaustausch
DE19751031A1 (de) * 1997-11-19 1999-06-24 Ingo Dipl Ing Heschel Verfahren zur Herstellung poröser Strukturen
ATE250971T1 (de) * 1999-01-21 2003-10-15 Membrana Gmbh Integral asymmetrische polyolefinmembran
DE50000994D1 (de) * 1999-01-22 2003-02-06 Membrana Gmbh Verfahren zur herstellung einer integral asymmetrischen polyolefinmembran
US7247602B2 (en) 2000-10-26 2007-07-24 Adjuvants Plus Inc. Agrochemical formulation aid composition and uses thereof
CA2324677A1 (en) 2000-10-26 2002-04-26 James F. Stewart Agrochemical formulation aid
CN1301149C (zh) 2002-01-24 2007-02-21 门布拉内有限公司 具有整体非对称结构的聚烯烃膜及其制备方法
DE10220038A1 (de) 2002-05-04 2003-11-20 Membrana Gmbh Verfahren zur Herstellung geschäumter Polymerformkörper und geschäumter Polymerformkörper
JP4016712B2 (ja) * 2002-05-13 2007-12-05 株式会社ジーエス・ユアサコーポレーション リチウムイオン導電性ポリマー電解質およびそれを用いたポリマー電解質電池
JP5414020B2 (ja) * 2007-06-22 2014-02-12 国立大学法人大阪大学 （メタ）アクリル酸エステル系ポリマーを液体に溶解する方法
EP2373638A4 (en) * 2008-12-04 2014-01-15 Univ Akron POLYMER COMPOSITION AND DIALYSEMEMBRANE PRODUCED FROM THE POLYMER COMPOSITION
EP2196254B1 (de) 2008-12-12 2011-10-12 Membrana GmbH Hydrophobe ozonstabile PVDF-Membran mit hoher mechanischer Stabilität
WO2013069681A1 (ja) * 2011-11-08 2013-05-16 株式会社カネカ 塩化ビニル系共重合体多孔質体及びその製造方法
WO2014191296A1 (de) 2013-05-29 2014-12-04 Membrana Gmbh Mikroporöse polyvinylidenfluorid-membran
JP6728202B2 (ja) 2014-11-03 2020-07-22 スリーエム イノベイティブ プロパティズ カンパニー ポリフッ化ビニリデンの微多孔質平膜
WO2016081992A1 (en) * 2014-11-25 2016-06-02 Deakin University Absorbent material
WO2017021436A1 (de) 2015-08-05 2017-02-09 Tesa Se Mikrozelluläre emulsionsschäume
EP3421117A1 (en) 2017-06-28 2019-01-02 3M Innovative Properties Company Polyamide flat sheet membranes with microporous surface structure for nanoparticle retention

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US3055297A (en) * 1957-01-14 1962-09-25 Johnson & Son Inc S C Microporous synthetic resin material
GB938694A (en) * 1959-06-02 1963-10-02 Electric Storage Battery Co Improvements relating to microporous thermoplastic resinous materials
US3378507A (en) * 1961-12-20 1968-04-16 Gen Electric Producing microporous polymers
US3308073A (en) * 1962-04-09 1967-03-07 Phillips Petroleum Co Porous polyolefin objects
NL6408338A (sv) * 1963-07-26 1965-01-27
US3367891A (en) * 1965-12-15 1968-02-06 Koppers Co Inc Permeable foamed styrene polymer
US3607793A (en) * 1968-02-23 1971-09-21 Hercules Inc Process for forming porous structures
US3565982A (en) * 1968-05-17 1971-02-23 Usm Corp Process of making microporous sheets
GB1345944A (en) * 1970-12-03 1974-02-06 Du Pont Foamed materials
BE787932A (fr) * 1971-09-13 1973-02-26 Bristol Myers Co Produits tels que des tampons, pour nettoyage ou d'autres usages et compositions liquides pour preparer ces produits
US3945926A (en) * 1971-10-18 1976-03-23 Chemical Systems, Inc. Integral microporous high void volume polycarbonate membranes and a dry process for forming same
JPS5439867B2 (sv) * 1972-02-24 1979-11-30
JPS572739B2 (sv) * 1972-05-13 1982-01-18
JPS4924267A (sv) * 1972-06-26 1974-03-04
JPS49108172A (sv) * 1973-02-17 1974-10-15
CA1050187A (en) * 1974-01-24 1979-03-06 James W. Stoll Solid antistatic polymer compositions
NL7407255A (nl) * 1974-05-30 1975-12-02 Stamicarbon Poreuze polymeerstructuren.
JPS5120561A (ja) * 1974-08-09 1976-02-18 Toyo Communication Equip Dosuruuhoorupurintohaisenbanno seizohoho

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Also Published As

Publication number Publication date
MX148613A (es) 1983-05-18
DD140052A5 (de) 1980-02-06
FI68639B (fi) 1985-06-28
JPH03205435A (ja) 1991-09-06
CH649565A5 (en) 1985-05-31
FI772552A (fi) 1978-03-01
FR2362890A1 (fr) 1978-03-24
BR7705790A (pt) 1978-06-13
TR19643A (tr) 1979-09-14
GR64881B (en) 1980-06-06
NL7709505A (nl) 1978-03-02
NO151369C (no) 1985-03-27
ATA627277A (de) 1984-01-15
DE2737745A1 (de) 1978-03-09
GB1576228A (en) 1980-10-01
SE441928B (sv) 1985-11-18
PL200533A1 (pl) 1978-07-17
ES471772A1 (es) 1979-10-16
DE2737745C2 (de) 1984-03-22
JPH0329815B2 (sv) 1991-04-25
IT1143677B (it) 1986-10-22
SE7708653L (sv) 1978-03-01
JPS5329367A (en) 1978-03-18
FR2362890B1 (sv) 1985-04-12
NO151369B (no) 1984-12-17
AU2806377A (en) 1979-02-22
PL111017B1 (en) 1980-08-30
JPH0450339B2 (sv) 1992-08-14
AU511101B2 (en) 1980-07-31
AR220685A1 (es) 1980-11-28
DK171108B1 (da) 1996-06-10
CA1110811A (en) 1981-10-20
FI68639C (fi) 1985-10-10
ES461970A1 (es) 1978-11-01
DK337477A (da) 1978-03-01
NO772976L (no) 1978-03-01

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