BE865875A - Procede de fabrication de membranes minerales permeables. - Google Patents

Procede de fabrication de membranes minerales permeables.

Info

Publication number
BE865875A
BE865875A BE0/186710A BE186710A BE865875A BE 865875 A BE865875 A BE 865875A BE 0/186710 A BE0/186710 A BE 0/186710A BE 186710 A BE186710 A BE 186710A BE 865875 A BE865875 A BE 865875A
Authority
BE
Belgium
Prior art keywords
manufacturing
membranes
permeable
mineral membranes
permeable mineral
Prior art date
Application number
BE0/186710A
Other languages
English (en)
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of BE865875A publication Critical patent/BE865875A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039Inorganic membrane manufacture
    • B01D67/0048Inorganic membrane manufacture by sol-gel transition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D59/00Separation of different isotopes of the same chemical element
    • B01D59/10Separation by diffusion
    • B01D59/12Separation by diffusion by diffusion through barriers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/108Inorganic support material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/024Oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/024Oxides
    • B01D71/025Aluminium oxide
    • 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
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/50Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • 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
    • C04B41/50Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • C04B41/5031Alumina
    • 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
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/85Coating or impregnation with inorganic materials
    • C04B41/87Ceramics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/06Specific viscosities of materials involved
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • B01D2325/02834Pore size more than 0.1 and up to 1 µm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/24Mechanical properties, e.g. strength
    • 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
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • Y10T428/12153Interconnected void structure [e.g., permeable, etc.]
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249955Void-containing component partially impregnated with adjacent component
    • Y10T428/249956Void-containing component is inorganic
    • Y10T428/249957Inorganic impregnant
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249967Inorganic matrix in void-containing component
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249967Inorganic matrix in void-containing component
    • Y10T428/24997Of metal-containing material
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981Plural void-containing components
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249988Of about the same composition as, and adjacent to, the void-containing component
    • Y10T428/249989Integrally formed skin
    • 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
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/24999Inorganic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Colloid Chemistry (AREA)

Abstract

Procédé de fabrication de membranes minérales perméables se caractérisant en ce que l'on dépose sur un substrat poreux perméable une couche mince d'un gel d'hydroxyde au moins d'aluminium peptisé, on sèche la membrane ainsi obtenue, puis on la soumet à une cuisson à une température comprise entre 500 et 1100 degrés C. Application des membranes obtenues à la séparation isotopique de gaz, à la filtration et à l'ultrafiltration.
BE0/186710A 1977-04-12 1978-04-11 Procede de fabrication de membranes minerales permeables. BE865875A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7710924A FR2550953B1 (fr) 1977-04-12 1977-04-12 Procede de fabrication de membranes minerales permeables

Publications (1)

Publication Number Publication Date
BE865875A true BE865875A (fr) 1978-10-11

Family

ID=9189293

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/186710A BE865875A (fr) 1977-04-12 1978-04-11 Procede de fabrication de membranes minerales permeables.

Country Status (10)

Country Link
US (1) US4888033A (fr)
JP (1) JPS61192306A (fr)
AU (1) AU570297B2 (fr)
BE (1) BE865875A (fr)
CA (1) CA1239011A (fr)
CH (1) CH663356A5 (fr)
DE (1) DE2813904A1 (fr)
FR (1) FR2550953B1 (fr)
GB (1) GB1605275A (fr)
NL (1) NL7803860A (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587231B1 (fr) * 1985-09-13 1990-05-11 Centre Nat Rech Scient Couches minces microporeuses a porosite ouverte ayant des proprietes de conduction, leur preparation et leur application a l'analyse chimique
FR2594137B1 (fr) * 1986-02-10 1989-02-17 Inst Francais Du Petrole Procede d'hydrotraitement d'hydrocarbures lourds en phase liquide en presence d'un catalyseur disperse
DK193287A (da) * 1986-04-16 1987-10-17 Alcan Int Ltd Sammensat membran
FR2604920B1 (fr) * 1986-10-10 1988-12-02 Ceraver Membrane de filtration ceramique et procede de fabrication
EP0327687A3 (fr) * 1987-12-11 1989-11-15 Norton Company Membranes d'ultrafiltration
GB8812217D0 (en) * 1988-05-24 1988-06-29 Alcan Int Ltd Composite membranes
US5605628A (en) * 1988-05-24 1997-02-25 North West Water Group Plc Composite membranes
EP0348041B1 (fr) * 1988-05-24 1992-08-26 Ceramesh Limited Membranes composites
JPH0243928A (ja) * 1988-08-01 1990-02-14 Ngk Insulators Ltd 無機多孔質膜
GB8901581D0 (en) * 1989-01-25 1989-03-15 Alcan Int Ltd Filter cleaning
US5030351A (en) * 1989-06-09 1991-07-09 Massachusetts Institute Of Technology Process for the preparation of a binary membrane top layer
US5342431A (en) * 1989-10-23 1994-08-30 Wisconsin Alumni Research Foundation Metal oxide membranes for gas separation
US5104425A (en) * 1989-11-14 1992-04-14 Air Products And Chemicals, Inc. Gas separation by adsorbent membranes
US5507860A (en) * 1989-11-14 1996-04-16 Air Products And Chemicals, Inc. Composite porous carbonaceous membranes
FR2660874B1 (fr) * 1990-04-12 1992-06-12 Aluminum Co Of America Membrane semi-permeable composite inorganique poreuse et procede de preparation.
US5183482A (en) * 1991-06-19 1993-02-02 Texaco Inc. Separation by membrane techniques
US5139540A (en) * 1991-07-24 1992-08-18 Texaco Inc. Membrane separation of gases
US5160352A (en) * 1991-09-06 1992-11-03 Texaco Inc. Method of forming membranes useful for separation of gases
DE4227720C2 (de) * 1991-09-18 1998-05-20 Fraunhofer Ges Forschung Verfahren zur Herstellung von Beschichtungen aus Spinell sowie Verwendung der danach hergestellten Träger
US5186833A (en) * 1991-10-10 1993-02-16 Exxon Research And Engineering Company Composite metal-ceramic membranes and their fabrication
DE4328295C2 (de) * 1993-08-23 1998-03-26 Hermann Johannes Pro Schloemer Verfahren zum Herstellen eines keramischen Siebfilters und nach diesem Verfahren hergestellter Siebfilter
US5487774A (en) * 1993-11-08 1996-01-30 Wisconsin Alumni Research Foundation Gas phase fractionation method using porous ceramic membrane
US5439624A (en) * 1994-02-14 1995-08-08 Wisconsin Alumni Research Foundation Method for forming porous ceramic materials
AU706663B2 (en) * 1994-09-23 1999-06-17 Standard Oil Company, The Oxygen permeable mixed conductor membranes
US5932361A (en) * 1996-10-21 1999-08-03 Belyakov; Vladimir Nikolaevich Ceramic based membranes
US6152986A (en) * 1999-07-07 2000-11-28 Ppg Industries Ohio, Inc. Method of enriching chlorine gas
JP4511165B2 (ja) * 2003-12-16 2010-07-28 京セラ株式会社 流体分離フィルタ
JP5239006B2 (ja) * 2007-03-17 2013-07-17 国立大学法人秋田大学 コロイド粒子の沈殿・浮遊方法及びその方法を利用した処理装置
JP4960287B2 (ja) * 2008-03-21 2012-06-27 日本碍子株式会社 ナノ濾過膜の製造方法
JP5430089B2 (ja) * 2008-06-30 2014-02-26 一般財団法人ファインセラミックスセンター 耐水蒸気性多孔質膜、耐水蒸気性多孔質複合体及びこれらの製造方法
DE102011081847A1 (de) * 2011-08-31 2013-02-28 Siemens Aktiengesellschaft Verfahren zum Herstellen von Feuerfestkeramiken für Gasturbinenanlagen
JP2014008432A (ja) * 2012-06-28 2014-01-20 Ngk Spark Plug Co Ltd セラミック多孔質膜並びにセラミックフィルタ及びその製造方法
CN112755808B (zh) * 2019-10-21 2022-12-09 中国石油化工股份有限公司 一种用于水合物法气体分离的凝胶复合膜及其制备方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR865695A (fr) * 1940-02-02 1941-05-30 Coffresforts Bauche Soc D Moyens de filtration
GB883760A (en) * 1957-04-26 1961-12-06 Commissariat Energie Atomique Improvements in methods of manufacturing porous barriers
FR1255382A (fr) * 1960-01-23 1961-03-10 Commissariat Energie Atomique Perfectionnements apportés aux procédés et dispositifs pour revêtir d'une couche métallique microporeuse un support métallique macroporeux
GB1119180A (en) * 1966-04-01 1968-07-10 Morganite Res & Dev Ltd Forming deposits within porous material
FR1517847A (fr) * 1966-12-28 1968-03-22 Comp Generale Electricite Procédé pour ajuster la porosité d'un matériau poreux
US3397968A (en) * 1967-06-19 1968-08-20 Lockheed Aircraft Corp Porous materials
US3453104A (en) * 1967-11-28 1969-07-01 Lockheed Aircraft Corp Process for making porous materials
US3862846A (en) * 1969-07-24 1975-01-28 Gen Refractories Co Process for preparing ceramic compositions
US3637406A (en) * 1970-12-23 1972-01-25 American Lava Corp Ultrapure alumina ceramics formed by coprecipitation
BE787964A (fr) * 1971-08-24 1973-02-26 Montedison Spa Procede de preparation de membranes ou barrieres composites poreuses pour installations de diffusion gazeuse
US3725094A (en) * 1971-09-20 1973-04-03 Grace W R & Co Doped alumina powder
GB1425934A (en) * 1972-03-15 1976-02-25 Ici Ltd Alumina
NL7204638A (fr) * 1972-04-07 1973-10-09
IT984122B (it) * 1972-04-28 1974-11-20 Grace W R & Co Processo per la preparazione di spinello di ossido di magnesio allumina e prodotto con esso ottenuto
US3957559A (en) * 1972-05-16 1976-05-18 American Can Company Chemically filled polymeric articles
US3944658A (en) * 1972-08-17 1976-03-16 Owens-Illinois, Inc. Transparent activated nonparticulate alumina and method of preparing same
FR2309271A1 (fr) * 1973-07-26 1976-11-26 Commissariat Energie Atomique Procede de fabrication de filtres metalliques microporeux
CA1058814A (fr) * 1973-11-13 1979-07-24 Sumitomo Electric Industries, Ltd. Methode pour produire une cloison tubulaire multicouche poreuse
DE2460921C2 (de) * 1974-12-21 1976-11-11 Condea Petrochemie Gmbh Verfahren zur herstellung von formkoerpern bzw. stranggepressten koerpern von aluminiumoxidhydrat
DE2504463A1 (de) * 1975-02-04 1976-08-05 Kali Chemie Ag Verfahren zur herstellung von kugelfoermigen tonerdehaltigen teilchen
JPS583998B2 (ja) * 1975-02-15 1983-01-24 ニホンルツボ カブシキガイシヤ フテイケイタイカザイ
FR2502508B1 (fr) * 1981-03-30 1985-10-25 Geceral Grpt Etu Ceramiques Al Structure de filtration, procede de realisation de telles structures et dispositif d'ultrafiltration en comportant
JPS5992001A (ja) * 1982-11-18 1984-05-28 Mitsubishi Heavy Ind Ltd 多孔質隔膜の製造方法
NL8303079A (nl) * 1983-09-05 1985-04-01 Stichting Energie Werkwijze voor de bereiding van scheurvrije semi-permeabele anorganische membranen.

Also Published As

Publication number Publication date
GB1605275A (en) 1987-08-12
AU3844385A (en) 1986-08-14
FR2550953A1 (fr) 1985-03-01
DE2813904A1 (de) 1987-03-05
JPS61192306A (ja) 1986-08-26
CH663356A5 (fr) 1987-12-15
AU570297B2 (en) 1988-03-10
NL7803860A (nl) 1986-08-01
CA1239011A (fr) 1988-07-12
FR2550953B1 (fr) 1987-02-20
DE2813904C2 (fr) 1990-03-15
US4888033A (en) 1989-12-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMMISSARIAT A L ENERGIE ATOMIQUE

Effective date: 19920430