ES480469A1 - Un procedimiento para preparar fibras inorganicas huecas. - Google Patents
Un procedimiento para preparar fibras inorganicas huecas.Info
- Publication number
- ES480469A1 ES480469A1 ES480469A ES480469A ES480469A1 ES 480469 A1 ES480469 A1 ES 480469A1 ES 480469 A ES480469 A ES 480469A ES 480469 A ES480469 A ES 480469A ES 480469 A1 ES480469 A1 ES 480469A1
- Authority
- ES
- Spain
- Prior art keywords
- inorganic material
- hollow fiber
- hollow fibers
- inorganic hollow
- produce inorganic
- 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
Links
- 239000012510 hollow fiber Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 229910010272 inorganic material Inorganic materials 0.000 abstract 4
- 239000011147 inorganic material Substances 0.000 abstract 4
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000012704 polymeric precursor Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920000620 organic polymer Polymers 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- 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
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
-
- 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
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
- B01D67/00411—Inorganic membrane manufacture by agglomeration of particles in the dry state by sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/087—Details relating to the spinning process
- B01D69/088—Co-extrusion; Co-spinning
-
- 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
- B01D71/02—Inorganic material
-
- 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
- B01D71/02—Inorganic material
- B01D71/024—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/062—Fibrous particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
- C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63444—Nitrogen-containing polymers, e.g. polyacrylamides, polyacrylonitriles, polyvinylpyrrolidone [PVP], polyethylenimine [PEI]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/19—Inorganic fiber
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/1216—Continuous interengaged phases of plural metals, or oriented fiber containing
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
- Y10T428/2975—Tubular or cellular
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Nanotechnology (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Fibers (AREA)
- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Materials For Medical Uses (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Un procedimiento para preparar fibras inorgánicas huecas, caracterizado porque comprende (a) preparar una solución de un polímero orgánico formador de fibra, que contiene, en una forma uniformemente dispersada, un material inorgánico sinterizable; (b) extruir la solución polímera que contiene el material inorgánico a través de una hilera de fibras huecas; © formar una fibra polímera hueca, precursora, cargada con el material inorgánico; (d) tratar la fibra polímera hueca, precursora, para separar el polímero orgánico; y (e) sinterizar el material inorgánico resultante en forma de fibra hueca.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/906,503 US4222977A (en) | 1978-05-16 | 1978-05-16 | Process to produce inorganic hollow fibers |
Publications (1)
Publication Number | Publication Date |
---|---|
ES480469A1 true ES480469A1 (es) | 1980-10-01 |
Family
ID=25422552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES480469A Expired ES480469A1 (es) | 1978-05-16 | 1979-05-11 | Un procedimiento para preparar fibras inorganicas huecas. |
Country Status (25)
Country | Link |
---|---|
US (1) | US4222977A (es) |
JP (1) | JPS54151619A (es) |
AU (1) | AU519595B2 (es) |
BE (1) | BE876256A (es) |
BR (1) | BR7902973A (es) |
CA (1) | CA1124475A (es) |
CH (1) | CH641501A5 (es) |
DD (1) | DD143636A5 (es) |
DE (1) | DE2919510A1 (es) |
DK (1) | DK199079A (es) |
ES (1) | ES480469A1 (es) |
FR (1) | FR2436202A1 (es) |
GB (1) | GB2024788B (es) |
HK (1) | HK33183A (es) |
HU (1) | HU178060B (es) |
IL (1) | IL57289A (es) |
IN (1) | IN149362B (es) |
IT (1) | IT1113396B (es) |
MX (1) | MX150501A (es) |
NL (1) | NL7903718A (es) |
NO (1) | NO791619L (es) |
PL (1) | PL117026B1 (es) |
PT (1) | PT69613A (es) |
SE (1) | SE7904253L (es) |
ZA (1) | ZA792346B (es) |
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US4743545A (en) * | 1984-08-09 | 1988-05-10 | Torobin Leonard B | Hollow porous microspheres containing biocatalyst |
US4637990A (en) * | 1978-08-28 | 1987-01-20 | Torobin Leonard B | Hollow porous microspheres as substrates and containers for catalysts and method of making same |
US4777154A (en) * | 1978-08-28 | 1988-10-11 | Torobin Leonard B | Hollow microspheres made from dispersed particle compositions and their production |
US4671909A (en) * | 1978-09-21 | 1987-06-09 | Torobin Leonard B | Method for making hollow porous microspheres |
US4312670A (en) * | 1980-01-29 | 1982-01-26 | National-Standard Company | System for stretch casting filamentary shaped bodies |
US4348458A (en) * | 1980-09-08 | 1982-09-07 | Monsanto Company | Coiled inorganic monolithic hollow fibers |
US4515742A (en) * | 1980-12-18 | 1985-05-07 | UBE Industires, Ltd. | Continuous inorganic fibers and process for production thereof |
US4409158A (en) * | 1981-01-22 | 1983-10-11 | Pq Corporation | Spray drying method of preparing hollow fibers |
FR2512075B1 (fr) * | 1981-08-31 | 1985-07-12 | Accumulateurs Fixes | Procede de decarbonation de fibres metallisees et application de ce procede a la realisation de supports frittes, notamment pour electrodes |
US4752515A (en) * | 1985-06-17 | 1988-06-21 | Mitsubishi Chemical Industries | Alumina fiber structure |
US5019311A (en) * | 1989-02-23 | 1991-05-28 | Koslow Technologies Corporation | Process for the production of materials characterized by a continuous web matrix or force point bonding |
US5783139A (en) * | 1990-04-18 | 1998-07-21 | Curran; Dennis John Gerard | Ceramic materials |
NL9300642A (nl) * | 1993-04-15 | 1994-11-01 | Tno | Werkwijze voor de vervaardiging van keramische holle vezels, in het bijzonder holle vezelmembranen voor microfiltratie, ultrafiltratie en gasscheiding. |
JPH08213026A (ja) * | 1994-11-28 | 1996-08-20 | Katayama Tokushu Kogyo Kk | 電池電極基板用金属多孔体、電池電極板およびその製造方法 |
US6485813B1 (en) | 1997-03-07 | 2002-11-26 | Koslow Technologies Corp. | Method of stabilizing composite media and media produced thereby |
WO1999015292A1 (en) * | 1997-08-08 | 1999-04-01 | Abb Lummus Global, Inc. | Production of composite porous fibre structures |
US5972027A (en) * | 1997-09-30 | 1999-10-26 | Scimed Life Systems, Inc | Porous stent drug delivery system |
NL1007456C2 (nl) * | 1997-11-05 | 1999-05-07 | Tno | Werkwijze voor het vervaardigen van holle vezelmembranen voor microfiltratie, ultrafiltratie of gasscheiding. |
FR2776287B1 (fr) * | 1998-03-20 | 2000-05-12 | Ceramiques Tech Soc D | Materiau ceramique poreux massif homogene |
DE10155901A1 (de) * | 2001-11-14 | 2003-05-15 | Mann & Hummel Filter | Verfahren zur Erzeugung von einer Beschichtung auf einer Hohlfaser |
DE10210626A1 (de) * | 2002-03-11 | 2003-09-25 | Transmit Technologietransfer | Verfahren zur Herstellung von Hohlfasern |
US7163596B2 (en) * | 2002-06-07 | 2007-01-16 | E. I. Du Pont Nemours And Company | Fibers and ribbons for use in the manufacture of solar cells |
DE102005005467A1 (de) * | 2005-02-04 | 2006-08-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verbunde keramischer Hohlfasern, Verfahren zu deren Herstellung und deren Verwendung |
DE102005005464B4 (de) | 2005-02-04 | 2007-06-14 | Uhde Gmbh | Verbunde keramischer Hohlfasern, Verfahren zu deren Herstellung und deren Verwendung |
US20090169884A1 (en) * | 2007-12-28 | 2009-07-02 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Hollow organic/inorganic composite fiber , hollow ceramic fiber, and methods of making the same |
US8268041B2 (en) * | 2008-06-30 | 2012-09-18 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Hollow organic/inorganic composite fibers, sintered fibers, methods of making such fibers, gas separation modules incorporating such fibers, and methods of using such modules |
KR101185490B1 (ko) * | 2009-12-31 | 2012-10-02 | 한국에너지기술연구원 | 무기질 중공사 및 그 제조 방법 |
FR3019563B1 (fr) | 2014-04-03 | 2016-04-29 | Centre Nat Rech Scient | Procede de preparation de fibres macroscopiques de dioxyde de titane par extrusion unidirectionnelle continue, fibres obtenues et applications |
CN104178822B (zh) * | 2014-07-30 | 2016-08-24 | 东华大学 | 柔性无机纤维材料及其制备方法 |
RU2723326C2 (ru) | 2015-05-19 | 2020-06-09 | Басф Се | Газоплотная, теплопроницаемая, керамическая, многослойная композитная труба |
US10889915B2 (en) | 2018-01-31 | 2021-01-12 | Saudi Arabian Oil Company | Producing fibers using spinnerets |
US11406941B2 (en) | 2020-02-14 | 2022-08-09 | Saudi Arabian Oil Company | Thin film composite hollow fiber membranes fabrication systems |
US11253819B2 (en) | 2020-05-14 | 2022-02-22 | Saudi Arabian Oil Company | Production of thin film composite hollow fiber membranes |
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US3791798A (en) * | 1972-07-24 | 1974-02-12 | Nat Standard Co | Metal bonding with sintering |
US3975478A (en) * | 1974-08-14 | 1976-08-17 | Monsanto Company | Method for producing highly permeable acrylic hollow fibers |
JPS5834566B2 (ja) * | 1975-02-27 | 1983-07-27 | 三菱レイヨン株式会社 | チユウクウムキセンイノセイゾウホウホウ |
US4104445A (en) * | 1975-10-20 | 1978-08-01 | Monsanto Company | Method for making steel wire |
US4118225A (en) * | 1975-10-28 | 1978-10-03 | Monsanto Company | Method for producing fibrous steel matts |
US4089921A (en) * | 1975-11-05 | 1978-05-16 | Monsanto Company | Process for sintered bi-metallic filamentary composites |
US4023489A (en) * | 1976-02-06 | 1977-05-17 | Burroughs Corporation | Document endorsing control circuitry and method for minimizing power consumption requirements |
US4105548A (en) * | 1977-02-22 | 1978-08-08 | E. I. Du Pont De Nemours And Company | Separation device of rigid porous inorganic hollow filament and use thereof |
US4175154A (en) * | 1977-12-22 | 1979-11-20 | Gaf Corporation | Sheet backing for decorative covering material |
-
1978
- 1978-05-16 US US05/906,503 patent/US4222977A/en not_active Expired - Lifetime
-
1979
- 1979-05-11 ES ES480469A patent/ES480469A1/es not_active Expired
- 1979-05-11 NL NL7903718A patent/NL7903718A/xx not_active Application Discontinuation
- 1979-05-14 IT IT22670/79A patent/IT1113396B/it active
- 1979-05-15 MX MX177654A patent/MX150501A/es unknown
- 1979-05-15 PL PL1979215591A patent/PL117026B1/pl unknown
- 1979-05-15 JP JP6097979A patent/JPS54151619A/ja active Pending
- 1979-05-15 IN IN502/CAL/79A patent/IN149362B/en unknown
- 1979-05-15 IL IL57289A patent/IL57289A/xx unknown
- 1979-05-15 DD DD79212897A patent/DD143636A5/de unknown
- 1979-05-15 BR BR7902973A patent/BR7902973A/pt unknown
- 1979-05-15 ZA ZA792346A patent/ZA792346B/xx unknown
- 1979-05-15 DE DE19792919510 patent/DE2919510A1/de not_active Ceased
- 1979-05-15 AU AU47063/79A patent/AU519595B2/en not_active Ceased
- 1979-05-15 DK DK199079A patent/DK199079A/da unknown
- 1979-05-15 FR FR7912353A patent/FR2436202A1/fr active Granted
- 1979-05-15 SE SE7904253A patent/SE7904253L/xx not_active Application Discontinuation
- 1979-05-15 BE BE0/195164A patent/BE876256A/xx not_active IP Right Cessation
- 1979-05-15 HU HU79MO1046A patent/HU178060B/hu unknown
- 1979-05-15 GB GB7916886A patent/GB2024788B/en not_active Expired
- 1979-05-15 CA CA327,584A patent/CA1124475A/en not_active Expired
- 1979-05-15 PT PT69613A patent/PT69613A/pt unknown
- 1979-05-15 NO NO791619A patent/NO791619L/no unknown
- 1979-05-15 CH CH449279A patent/CH641501A5/de not_active IP Right Cessation
-
1983
- 1983-09-01 HK HK331/83A patent/HK33183A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2436202A1 (fr) | 1980-04-11 |
GB2024788B (en) | 1982-07-28 |
PL117026B1 (en) | 1981-07-31 |
IL57289A (en) | 1983-03-31 |
DK199079A (da) | 1979-11-17 |
AU4706379A (en) | 1979-11-22 |
BR7902973A (pt) | 1979-11-27 |
PL215591A1 (es) | 1980-02-25 |
CH641501A5 (de) | 1984-02-29 |
US4222977A (en) | 1980-09-16 |
AU519595B2 (en) | 1981-12-10 |
MX150501A (es) | 1984-05-16 |
IN149362B (es) | 1981-11-14 |
CA1124475A (en) | 1982-06-01 |
DE2919510A1 (de) | 1979-11-22 |
JPS54151619A (en) | 1979-11-29 |
GB2024788A (en) | 1980-01-16 |
BE876256A (fr) | 1979-11-16 |
IL57289A0 (en) | 1979-09-30 |
IT7922670A0 (it) | 1979-05-14 |
FR2436202B1 (es) | 1983-06-17 |
NL7903718A (nl) | 1979-11-20 |
IT1113396B (it) | 1986-01-20 |
PT69613A (en) | 1979-06-01 |
HK33183A (en) | 1983-09-09 |
DD143636A5 (de) | 1980-09-03 |
ZA792346B (en) | 1980-08-27 |
HU178060B (en) | 1982-02-28 |
SE7904253L (sv) | 1980-01-28 |
NO791619L (no) | 1979-11-19 |
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