DK140020B - Bærermateriale til uopløseliggørelse af proteiner på basis af en mineralsk bærer indeholdende modificerede hydroxylgrupper samt fremgangsmåde til fremstilling af et sådant bærermateriale. - Google Patents

Bærermateriale til uopløseliggørelse af proteiner på basis af en mineralsk bærer indeholdende modificerede hydroxylgrupper samt fremgangsmåde til fremstilling af et sådant bærermateriale.

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Publication number
DK140020B
DK140020B DK166875A DK166875A DK140020B DK 140020 B DK140020 B DK 140020B DK 166875 A DK166875 A DK 166875A DK 166875 A DK166875 A DK 166875A DK 140020 B DK140020 B DK 140020B
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DK
Denmark
Prior art keywords
support material
support
insolubilization
proteins
basis
Prior art date
Application number
DK166875A
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English (en)
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DK140020C (da
DK166875A (da
Inventor
Honore Justin Mazarguil
Francois Meiller
Pierre Frederic Monsan
Original Assignee
Rhone Poulenc Ind
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Publication date
Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of DK166875A publication Critical patent/DK166875A/da
Publication of DK140020B publication Critical patent/DK140020B/da
Application granted granted Critical
Publication of DK140020C publication Critical patent/DK140020C/da

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/003Catalysts comprising hydrides, coordination complexes or organic compounds containing enzymes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0272Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/30Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10Coating or impregnating
    • C04B20/1051Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/4911Organo-clay compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/4922Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as monomers, i.e. as organosilanes RnSiX4-n, e.g. alkyltrialkoxysilane, dialkyldialkoxysilane
    • C04B41/4933Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as monomers, i.e. as organosilanes RnSiX4-n, e.g. alkyltrialkoxysilane, dialkyldialkoxysilane containing halogens, i.e. organohalogen silanes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/14Enzymes or microbial cells immobilised on or in an inorganic carrier
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/61310-100 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63Pore volume
    • B01J35/6350.5-1.0 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63Pore volume
    • B01J35/638Pore volume more than 1.0 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64Pore diameter
    • B01J35/653500-1000 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64Pore diameter
    • B01J35/657Pore diameter larger than 1000 nm
    • 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
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • Y10T428/2993Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y10T428/2995Silane, siloxane or silicone coating
    • 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
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • Y10T428/2993Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y10T428/2996Glass particles or spheres
    • 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
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609Particulate metal or metal compound-containing
    • Y10T428/31612As silicone, silane or siloxane

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicon Compounds (AREA)
DK166875A 1974-04-19 1975-04-18 Bærermateriale til uopløseliggørelse af proteiner på basis af en mineralsk bærer indeholdende modificerede hydroxylgrupper samt fremgangsmåde til fremstilling af et sådant bærermateriale. DK140020B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7413687A FR2267992A1 (da) 1974-04-19 1974-04-19

Publications (3)

Publication Number Publication Date
DK166875A DK166875A (da) 1975-10-20
DK140020B true DK140020B (da) 1979-06-05
DK140020C DK140020C (da) 1979-11-05

Family

ID=9137862

Family Applications (1)

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DK166875A DK140020B (da) 1974-04-19 1975-04-18 Bærermateriale til uopløseliggørelse af proteiner på basis af en mineralsk bærer indeholdende modificerede hydroxylgrupper samt fremgangsmåde til fremstilling af et sådant bærermateriale.

Country Status (13)

Country Link
US (1) US4034139A (da)
JP (1) JPS50145582A (da)
BE (1) BE828052A (da)
CH (1) CH601139A5 (da)
DE (1) DE2516935B2 (da)
DK (1) DK140020B (da)
ES (1) ES436672A1 (da)
FR (1) FR2267992A1 (da)
GB (1) GB1478422A (da)
IE (1) IE41000B1 (da)
IT (1) IT1035382B (da)
LU (1) LU72312A1 (da)
NL (1) NL7504629A (da)

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FR2352827A1 (fr) * 1976-05-26 1977-12-23 Rhone Poulenc Ind Complexes support-aminoacylase
DE2758507C3 (de) * 1977-12-28 1981-05-27 Byk-Mallinckrodt Chemische Produkte Gmbh, 6057 Dietzenbach Stabilisierte biochemische Präparate, Verfahren zu ihrer Herstellung und ihre Verwendung
DE2963866D1 (en) * 1978-02-16 1982-11-25 Rhone Poulenc Spec Chim Support-enzyme complexes and method for preparing them
US4440903A (en) * 1978-06-30 1984-04-03 Ramot University Authority For Applied Research And Industrial Development Ltd. Dihaloisocyanide derivatives of polymers for coupling nucleophiles
ZA794221B (en) * 1978-09-05 1981-03-25 British Petroleum Co Process for the preparation of a functionalised solid product
US4231428A (en) * 1978-12-04 1980-11-04 Phillips Petroleum Company Well treatment method
DE2902108C2 (de) * 1979-01-19 1983-11-24 Mars Inc., 22102 McLean, Va. Verwendung von Calciumsilikatgranulaten beziehungsweise -pulvern
US4289651A (en) * 1979-12-20 1981-09-15 The Standard Oil Company Supported catalysts for the polymerization of alpha-olefins
CA1141358A (en) * 1980-02-29 1983-02-15 Jan Chmielowiec Mercuro-organic bonded phase sorbents
DE3208598A1 (de) * 1982-03-10 1983-09-22 Degussa Ag, 6000 Frankfurt Verfahren zur herstellung von mit organosilanen oberflaechenmodifizierten zeolithen
US4530963A (en) * 1982-08-20 1985-07-23 Devoe-Holbein International, N.V. Insoluble chelating compositions
US4648975A (en) * 1983-08-17 1987-03-10 Pedro B. Macedo Process of using improved silica-based chromatographic supports containing additives
EP0153937A4 (en) * 1983-08-17 1986-11-06 Macedo Pedro Manuel Buarque De IMPROVED SILICA BASED CHROMATOGRAPHIC MEDIA CONTAINING ADDITIVES.
US4755294A (en) * 1984-11-06 1988-07-05 Societe Anonyme Dite Compagnie Francaise De Raffinage Stationary phase, preparation thereof and chromatographic column containing same
US4801445A (en) * 1985-07-29 1989-01-31 Shiseido Company Ltd. Cosmetic compositions containing modified powder or particulate material
US4818614A (en) * 1985-07-29 1989-04-04 Shiseido Company Ltd. Modified powder
US5258071A (en) * 1987-05-14 1993-11-02 Glaverbel Vitreous filler material for a polymeric matrix
LU87138A1 (fr) * 1988-02-19 1989-09-20 Glaverbel Perles de verre traitees en surface,procede de traitement de la surface des perles de verre et matrice polymere synthetique incorporant de telles perles de verre
JP2688596B2 (ja) * 1988-08-05 1997-12-10 株式会社ワイエムシィ 酵素固定化カラム用充填剤
US5137765A (en) * 1988-08-05 1992-08-11 Porton Instruments, Inc. Derivatized glass supports for peptide and protein sequencing
US5194279A (en) * 1991-06-20 1993-03-16 Ppg Industries, Inc. Glucoamylase removal using nitrogen-functionalized amorphous precipitated silica
DE4234325A1 (de) * 1992-10-12 1994-04-14 Basf Magnetics Gmbh Magnetische Aufzeichnungsträger
US5370818A (en) * 1993-05-28 1994-12-06 Potters Industries, Inc. Free-flowing catalyst coated beads for curing polyester resin
DE4408152A1 (de) * 1994-03-11 1995-09-14 Studiengesellschaft Kohle Mbh Immobilisierte Lipasen in hydrophoben Sol-Gel-Materialien
US6689715B1 (en) * 2000-02-09 2004-02-10 Hammen Corporation Tethered polymer ligands
US6802966B2 (en) * 2001-08-14 2004-10-12 W. R. Grace & Co. Conn. Solid compositions for selective adsorption from complex mixtures
US6987079B2 (en) 2001-08-14 2006-01-17 W.R. Grace & Co.-Conn. Supported catalyst systems
US11628381B2 (en) 2012-09-17 2023-04-18 W.R. Grace & Co. Conn. Chromatography media and devices
JP6914189B2 (ja) 2014-05-02 2021-08-04 ダブリュー・アール・グレース・アンド・カンパニー−コーンW R Grace & Co−Conn 官能化担体材料並びに官能化担体材料を作製及び使用する方法
CN107921407B (zh) 2015-06-05 2022-07-05 格雷斯公司 生物处理吸附澄清剂及其制备和使用方法
US12012346B2 (en) * 2018-12-14 2024-06-18 Aqvita Srl Process for in-line mineralisation and carbonation of demineralised water

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US3560254A (en) * 1965-09-16 1971-02-02 Ici Ltd Grafting polymers on glass and like siliceous materials
US3830738A (en) * 1970-02-16 1974-08-20 Ici Ltd Surface treatment of particulate solids

Also Published As

Publication number Publication date
DE2516935A1 (de) 1975-10-23
FR2267992A1 (da) 1975-11-14
NL7504629A (nl) 1975-10-21
US4034139A (en) 1977-07-05
CH601139A5 (da) 1978-06-30
JPS50145582A (da) 1975-11-21
IE41000L (en) 1975-10-19
DE2516935B2 (de) 1976-09-16
DK140020C (da) 1979-11-05
IT1035382B (it) 1979-10-20
LU72312A1 (da) 1976-03-17
ES436672A1 (es) 1977-02-01
DK166875A (da) 1975-10-20
IE41000B1 (en) 1979-09-26
GB1478422A (en) 1977-06-29
BE828052A (fr) 1975-10-17

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