EP0327428B1 - Panneau d'isolation thermique et acoustique - Google Patents
Panneau d'isolation thermique et acoustique Download PDFInfo
- Publication number
- EP0327428B1 EP0327428B1 EP89400210A EP89400210A EP0327428B1 EP 0327428 B1 EP0327428 B1 EP 0327428B1 EP 89400210 A EP89400210 A EP 89400210A EP 89400210 A EP89400210 A EP 89400210A EP 0327428 B1 EP0327428 B1 EP 0327428B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- layer
- panel
- glass
- insulating layer
- 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.)
- Expired - Lifetime
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
-
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/92—Fire or heat protection feature
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24843—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] with heat sealable or heat releasable adhesive layer
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31645—Next to addition polymer from unsaturated monomers
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
-
- 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.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/654—Including a free metal or alloy constituent
- Y10T442/656—Preformed metallic film or foil or sheet [film or foil or sheet had structural integrity prior to association with the nonwoven fabric]
-
- 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.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]
Definitions
- the invention relates to a thermal and acoustic insulation panel intended in particular for the insulation of dry roofing, or for the constitution of suspended ceilings in particular for industrial buildings or intended for the public such as commercial premises, meeting rooms. shows, etc ...
- Such a panel is normally constituted by a base layer of mineral fibers, for example glass fibers, provided on the visible side with a facing layer which gives it a decorative finished appearance.
- This facing layer is for example a polyvinyl chloride film, a glass fiber veil preferably obtained by the wet method or an aluminum film optionally coated on kraft paper.
- the glass veil facings are clearly superior to those in other materials because they can be painted and match the decor. But these facings in glass veil have the serious drawback of being permeable to air and water vapor.
- the ambient pressure is generally different from that prevailing in the room. Consequently, a gas exchange flow is established through the panel consisting of two porous layers which become real dust filters and the panels are quickly blackened.
- Waterproof facings of the aluminum film type cannot be painted and are therefore more particularly suitable for factory halls where the finish aspect is of less importance. In addition, they reflect at least part of the sound waves which can therefore no longer be absorbed by the base layer of glass fibers. Acoustic insulation is therefore greatly reduced.
- German utility mode DE-U-85 32 239 describes a thermal insulation panel consisting of an insulating layer and a facing layer of glass fleece. Between these two layers is optionally inserted an aluminum foil acting as a vapor barrier.
- the essentially vertical arrangement of the fibers constituting the insulating layer and on the other hand the need to obtain the vapor barrier effect with a thickness of the aluminum sheet of more than 12 microns, adversely affects any acoustic character. Indeed, any aluminum sheet with a thickness greater than 9 microns will reflect sound waves therefore preventing their absorption by the porous insulating layer of mineral fibers.
- FR-A-2 443 925 an insulating panel comprising a skin plate impermeable to water vapor made of a metallic sheet sandwiched between two sheets of nonwoven glass to which the metallic sheet is glued with an adhesive film.
- the nonwoven sheets provide a bonding base for effective bonding to the insulating core.
- the present invention relates to a thermal and acoustic insulation panel which combines good aesthetic quality with good thermal and acoustic insulation performance and simplified maintenance.
- a thermal and acoustic insulation panel comprising an insulating layer of mineral fibers, in particular glass fibers bonded by a synthetic resin, a surfacing layer constituted by a glass fiber veil, a heat-bonding polyethylene film reactivable to the heat of a grammage less than 40g / m2, an aluminum film with a thickness less than or equal to 9 microns, bonded to a facing layer constituted by a glass fiber veil.
- the outer layer of such a panel consists of a veil of glass fibers, preferably obtained by the wet method, according to a technique analogous to the techniques of papermaking, from glass fibers drawn continuously, then cut ( so-called textile fibers).
- a veil of glass fibers can be dyed with the chosen colors.
- the insulating layer is formed of mineral fibers produced preferably by centrifugation and drawing by means of gas streams at high temperature and speed. raised in accordance with the fiberizing process described in patent EP 91 866 according to a usual technique for the manufacture of insulating blankets; an organic binder being sprayed directly on the fibers in the fiber hood.
- organic binder any type of resin known in the mineral fiber industry is used, in particular phenolformaldehyde resins modified or not with urea or melamine resins which have improved fire resistance.
- the thickness of the insulating layer is generally between 10 and 100 mm, its grammage between 700 and 2500 g / m2, for glass fibers, which gives very light panels whose dimensions (for example 600 x 1200 mm ) allow a simple and fast installation.
- a fusible film with low air permeability and especially to water vapor and an aluminum film are combined according to the invention. with a thickness less than or equal to 9 microns, glued to the facing layer.
- the aluminum film ensures less permeability to water vapor from the panel.
- the thickness of the aluminum film must be limited to a maximum of 9 microns otherwise the panel loses all sound insulation quality, the aluminum foil reflecting the sound waves.
- the sealing of an aluminum foil against water vapor can only be considered sufficient insofar as its thickness exceeds 12 microns.
- this fusible film makes it possible to obtain a bonding surface which has a greatly weakened permeability compared to that obtained with dots of adhesive.
- this fusible film is coated directly on a complex painted decorative glue - glue - aluminum.
- the activation of the fusible film is obtained by means of a heating table or any other equivalent means.
- This fusible film is for example a polyethylene film with a grammage of less than 40 g / m2 which is sufficient to obtain a solid bond.
- An iron-on film of such a small thickness is not itself perfectly impermeable, however by combining with the aluminum film, an extended barrier is obtained which is sufficiently impermeable.
- the solidity of the bond between the fusible film and the insulating layer of mineral fibers, in particular glass fibers, is all the better as the surface of the insulating layer is smooth. This smooth character can be obtained at the stage of obtaining the insulating blanket.
- a surfacing layer preferably formed by a veil of glass fibers - for example of textile glass fibers - on which the insulating glass fibers are directly collected at the time of manufacture.
- insulating mattress the final connection between this surfacing veil and the layer of insulating fibers is thus produced by means of the resin bonding the fibers together.
- the surfacing veil is preferably obtained according to a papermaking technique which gives it a fairly constant thickness over its entire surface. In addition, it improves the mechanical strength of the panel which is stiffened without the need to increase its density and therefore its weight.
- a first layer of paint is uniformly deposited, for example 50 g / m2 which serves as a background dye, then by means of printing rollers a second layer, possibly in another color, which provides a pattern of decor.
- the base dye layer serves as a mask and removes the shiny appearance and reflections from the aluminized layer placed behind the porous veil which is therefore partially transparent.
- the panel according to the invention does not become very dusty, constitutes a barrier to sufficient water vapor so that the panel can be used as a false ceiling even under the last level of a building, without the risk of condensation, and while ensuring quality acoustic and thermal insulation.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Laminated Bodies (AREA)
- Secondary Cells (AREA)
- Telephone Set Structure (AREA)
- Cookers (AREA)
- Resistance Heating (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89400210T ATE76924T1 (de) | 1988-02-01 | 1989-01-26 | Waerme- und schallisolierende platte. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8801107A FR2626597B1 (fr) | 1988-02-01 | 1988-02-01 | Panneau d'isolation thermique et acoustique |
FR8801107 | 1988-02-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0327428A1 EP0327428A1 (fr) | 1989-08-09 |
EP0327428B1 true EP0327428B1 (fr) | 1992-06-03 |
Family
ID=9362801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89400210A Expired - Lifetime EP0327428B1 (fr) | 1988-02-01 | 1989-01-26 | Panneau d'isolation thermique et acoustique |
Country Status (16)
Country | Link |
---|---|
US (1) | US4948660A (da) |
EP (1) | EP0327428B1 (da) |
JP (1) | JPH01228840A (da) |
AT (1) | ATE76924T1 (da) |
AU (1) | AU619795B2 (da) |
BR (1) | BR8900383A (da) |
CA (1) | CA1320329C (da) |
DE (1) | DE68901653T2 (da) |
DK (1) | DK167578B1 (da) |
ES (1) | ES2033530T3 (da) |
FI (1) | FI890464A (da) |
FR (1) | FR2626597B1 (da) |
NO (1) | NO890395L (da) |
NZ (1) | NZ227805A (da) |
PT (1) | PT89567B (da) |
ZA (1) | ZA89609B (da) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8903641D0 (en) * | 1989-02-17 | 1989-04-05 | Courtaulds Plc | Flexible fabric thermal insulators |
FR2671817A1 (fr) * | 1991-01-18 | 1992-07-24 | Saint Gobain Isover | Panneau resistant au feu, a base de fibres minerales. |
FR2683612B1 (fr) * | 1991-11-08 | 1995-01-27 | Saint Gobain Isover | Panneau d'isolation thermique et d'absorption acoustique chauffant. |
EP0552573B1 (fr) * | 1992-01-22 | 2000-05-17 | Isover Saint-Gobain | Panneau resistant au feu à base de fibres minérales |
AU648973B3 (en) * | 1992-03-19 | 1994-05-05 | Tri-Foam Australia Pty. Ltd. | Insulation for structures |
FR2750978B3 (fr) * | 1996-07-11 | 1998-08-07 | Saint Gobain Isover | Materiau a base de fibres minerales |
US6572723B1 (en) | 2000-06-30 | 2003-06-03 | Owens Corning Fiberglas Technology, Inc. | Process for forming a multilayer, multidensity composite insulator |
US6955845B1 (en) | 2000-06-30 | 2005-10-18 | Owens Corning Fiberglas Technology, Inc. | Acoustical and thermal insulator |
US6669265B2 (en) | 2000-06-30 | 2003-12-30 | Owens Corning Fiberglas Technology, Inc. | Multidensity liner/insulator |
EP1401640A1 (en) * | 2001-06-01 | 2004-03-31 | Owens Corning | Hood, dash, firewall or engine cover liner |
DE502006007252D1 (de) * | 2005-05-25 | 2010-08-05 | Inventio Ag | Aufzugsanlage mit Einrichtung zur Geräuschminderung |
US20070125011A1 (en) * | 2005-12-06 | 2007-06-07 | Weir Charles R | Acoustic partition for removable panel finishing system |
US20070218790A1 (en) * | 2006-03-16 | 2007-09-20 | Am General Llc | Composite insulation |
ES2364058B1 (es) * | 2009-08-28 | 2012-07-04 | Saint-Gobain Cristalería, Sa. | Panel aislante reforzado con recubrimiento externo, para conductos de distribución de aire. |
DE102010051583A1 (de) * | 2010-11-05 | 2012-05-10 | Progress-Werk Oberkirch Ag | Schallabsorbierendes Abschirmelement |
FR2973812A1 (fr) | 2011-04-06 | 2012-10-12 | Fibres Rech Dev | Nappe de fibre de laine vegetale impregnee d'une huile vegetale epoxydee |
FR2984372B1 (fr) | 2011-12-19 | 2014-01-10 | Fibres Rech Dev | Nappe de fibres de laine vegetale dont la cohesion mecanique est assuree par un liant polymere thermoplastique |
CN102673085B (zh) * | 2012-05-30 | 2015-02-25 | 哈尔滨工程大学 | 一种玻璃纤维铝箔防火隔热保温板的制作方法 |
FR3032909B1 (fr) * | 2015-02-19 | 2017-02-17 | Saint Gobain Isover Iberica S L | Element avec reaction au feu renforcee, conduit d'air comprenant ledit element et procede de fabrication |
ES2580137B1 (es) * | 2015-02-19 | 2017-02-17 | Saint Gobain Isover Ibérica, S.L. | Elemento con reacción reforzada al fuego, conducto de aire que comprende dicho elemento y procedimiento de fabricación |
CN110843288A (zh) * | 2019-12-04 | 2020-02-28 | 烟台正海合泰科技股份有限公司 | 一种具有高吸隔声性能的汽车内饰顶棚 |
MA55332B1 (fr) | 2021-12-31 | 2023-09-27 | Univ Internationale Dagadir Univ | Procede d’obtention d’un composite isolant thermique et acoustique a base des dechets |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3560320A (en) * | 1967-10-05 | 1971-02-02 | Gen Electric | Insulating material |
FR1560474A (da) * | 1968-01-18 | 1969-03-21 | ||
US3620906A (en) * | 1970-02-25 | 1971-11-16 | Johns Manville Fiberglass Inc | Glass fiber laminates and method |
FR2443925A1 (fr) * | 1978-12-15 | 1980-07-11 | Carlier Plastiques Sa | Panneau thermiquement isolant avec inclusion d'une couche pare-vapeur |
US4358503A (en) * | 1979-12-03 | 1982-11-09 | Homeyer H H H | Glass fibre reinforced plastic sheeting material |
US4348450A (en) * | 1980-08-18 | 1982-09-07 | Julius Shaw | Insulating and packaging material of metal foil-nonwoven glass fabric |
DE3147316A1 (de) * | 1981-11-28 | 1983-06-01 | Rheinhold & Mahla Gmbh, 6800 Mannheim | Kaschierte mineralfasermatte und verfahren zu ihrer herstellung |
FR2534185A1 (fr) * | 1982-10-11 | 1984-04-13 | Conditionnements Aluminium | Materiau composite et son application au renforcement des panneaux d'isolation |
FR2548590B1 (fr) * | 1983-07-05 | 1986-02-07 | Saint Gobain Isover | Composite haute densite a base de fibres minerales discontinues |
DE8532239U1 (de) * | 1985-11-14 | 1986-01-16 | Deutsche Heraklith Ag, 8346 Simbach | Anorganische Mehrschicht-Leichtbauplatte |
CA1286586C (en) * | 1987-03-26 | 1991-07-23 | Shigeki Yokoyama | Finish laminates for high frequency circuits |
-
1988
- 1988-02-01 FR FR8801107A patent/FR2626597B1/fr not_active Expired - Fee Related
-
1989
- 1989-01-19 AU AU28648/89A patent/AU619795B2/en not_active Ceased
- 1989-01-26 ZA ZA89609A patent/ZA89609B/xx unknown
- 1989-01-26 AT AT89400210T patent/ATE76924T1/de not_active IP Right Cessation
- 1989-01-26 DE DE8989400210T patent/DE68901653T2/de not_active Expired - Fee Related
- 1989-01-26 EP EP89400210A patent/EP0327428B1/fr not_active Expired - Lifetime
- 1989-01-26 JP JP1015200A patent/JPH01228840A/ja active Pending
- 1989-01-26 ES ES198989400210T patent/ES2033530T3/es not_active Expired - Lifetime
- 1989-01-30 BR BR898900383A patent/BR8900383A/pt active Search and Examination
- 1989-01-30 DK DK040289A patent/DK167578B1/da active
- 1989-01-30 PT PT89567A patent/PT89567B/pt active IP Right Grant
- 1989-01-31 FI FI890464A patent/FI890464A/fi not_active Application Discontinuation
- 1989-01-31 CA CA000589640A patent/CA1320329C/fr not_active Expired - Fee Related
- 1989-01-31 NZ NZ227805A patent/NZ227805A/en unknown
- 1989-01-31 NO NO89890395A patent/NO890395L/no unknown
- 1989-02-01 US US07/304,561 patent/US4948660A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
PT89567B (pt) | 1994-01-31 |
PT89567A (pt) | 1989-10-04 |
DE68901653T2 (de) | 1993-01-21 |
ES2033530T3 (es) | 1993-03-16 |
AU619795B2 (en) | 1992-02-06 |
NZ227805A (en) | 1992-08-26 |
US4948660A (en) | 1990-08-14 |
FI890464A (fi) | 1989-08-02 |
CA1320329C (fr) | 1993-07-20 |
BR8900383A (pt) | 1989-09-26 |
DK40289D0 (da) | 1989-01-30 |
DE68901653D1 (de) | 1992-07-09 |
JPH01228840A (ja) | 1989-09-12 |
FR2626597A1 (fr) | 1989-08-04 |
DK40289A (da) | 1989-08-02 |
ZA89609B (en) | 1989-10-25 |
ATE76924T1 (de) | 1992-06-15 |
EP0327428A1 (fr) | 1989-08-09 |
AU2864889A (en) | 1989-08-03 |
FR2626597B1 (fr) | 1992-07-17 |
NO890395D0 (no) | 1989-01-31 |
FI890464A0 (fi) | 1989-01-31 |
NO890395L (no) | 1989-08-02 |
DK167578B1 (da) | 1993-11-22 |
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Legal Events
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