NO800893L - Anisotrop membran og fremgangsmaate ved fremstilling derav - Google Patents
Anisotrop membran og fremgangsmaate ved fremstilling deravInfo
- Publication number
- NO800893L NO800893L NO800893A NO800893A NO800893L NO 800893 L NO800893 L NO 800893L NO 800893 A NO800893 A NO 800893A NO 800893 A NO800893 A NO 800893A NO 800893 L NO800893 L NO 800893L
- Authority
- NO
- Norway
- Prior art keywords
- hollow fiber
- polymer
- approx
- membrane
- solvent
- Prior art date
Links
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- 239000002033 PVDF binder Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
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- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000003754 machining Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
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- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002755 poly(epichlorohydrin) Polymers 0.000 description 1
- 229920005735 poly(methyl vinyl ketone) Polymers 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
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- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
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- 229920000098 polyolefin Polymers 0.000 description 1
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- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001709 polysilazane Polymers 0.000 description 1
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- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229920001291 polyvinyl halide Polymers 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000001350 scanning transmission electron microscopy Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001374 small-angle light scattering Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
Classifications
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- B01D67/0011—Casting solutions 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
- B01D67/00165—Composition of the coagulation baths
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
- C08J3/096—Nitrogen containing compounds
-
- 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
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/34—Molecular weight or degree of polymerisation
-
- 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
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/06—Polysulfones; Polyethersulfones
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2475479A | 1979-03-28 | 1979-03-28 | |
| US11785180A | 1980-02-20 | 1980-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO800893L true NO800893L (no) | 1980-09-29 |
Family
ID=26698833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO800893A NO800893L (no) | 1979-03-28 | 1980-03-27 | Anisotrop membran og fremgangsmaate ved fremstilling derav |
Country Status (20)
| Country | Link |
|---|---|
| AR (1) | AR220972A1 (es) |
| AU (1) | AU532082B2 (es) |
| BR (1) | BR8001873A (es) |
| CA (1) | CA1141510A (es) |
| DD (1) | DD150066A5 (es) |
| DE (1) | DE3011917A1 (es) |
| DK (1) | DK131780A (es) |
| ES (1) | ES489884A0 (es) |
| FI (1) | FI800977A (es) |
| FR (1) | FR2452507A1 (es) |
| GB (2) | GB2047162B (es) |
| GR (1) | GR67255B (es) |
| IL (1) | IL59581A0 (es) |
| IT (1) | IT1131098B (es) |
| NL (1) | NL8001845A (es) |
| NO (1) | NO800893L (es) |
| PT (1) | PT71024A (es) |
| RO (1) | RO79464A (es) |
| SE (1) | SE8002388L (es) |
| YU (1) | YU86080A (es) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5831204B2 (ja) * | 1980-03-10 | 1983-07-05 | 日東電工株式会社 | ポリスルホン半透膜 |
| CA1255860A (en) * | 1982-12-10 | 1989-06-20 | Katsuya Yamada | Selectively permeable asymetric membrane of aromatic polyester |
| JPS59189903A (ja) * | 1983-04-09 | 1984-10-27 | Kanegafuchi Chem Ind Co Ltd | 中空糸状フイルタ−およびその製法 |
| FR2593721B1 (fr) * | 1986-02-05 | 1988-05-20 | Rhone Poulenc Rech | Fibre creuse composite pour enlever de la vapeur d'eau a de l'air ou a du gaz carbonique |
| DE3782120T2 (de) * | 1986-08-15 | 1993-02-11 | Permea Inc | Asymmetrische gastrennungsmembranen, deren haut einen dichtegradienten aufweisen. |
| US4728346A (en) * | 1986-08-15 | 1988-03-01 | Permea Inc. | Permeation modified asymmetric gas separation membranes having graded density skins |
| US4871494A (en) * | 1986-08-15 | 1989-10-03 | Permea, Inc. | Process for forming asymmetric gas separation membranes having graded density skins |
| US4900626A (en) * | 1987-07-28 | 1990-02-13 | Rhone-Poulenc Recherches | Hollow composite fibers selectively permeable to water vapor |
| US4843733A (en) * | 1988-05-10 | 1989-07-04 | The Dow Chemical Company | Process for drying water-wet polycarbonate membranes |
| DE3829752A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration |
| US4900334A (en) * | 1988-11-09 | 1990-02-13 | The Dow Chemical Company | Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties |
| GB8916441D0 (en) * | 1989-07-19 | 1989-09-06 | Ici Plc | Membranes |
| US4959082A (en) * | 1989-07-20 | 1990-09-25 | The Dow Chemical Company | Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same |
| CA2020511A1 (en) * | 1989-09-05 | 1991-03-06 | Francis X. Mueller, Jr. | Gas separation membrane and process |
| US5009678A (en) * | 1989-10-31 | 1991-04-23 | Union Carbide Industrial Gases Technology Corporation | Process for recovery of ammonia from an ammonia-containing gas mixture |
| JP3232117B2 (ja) * | 1991-11-19 | 2001-11-26 | 鐘淵化学工業株式会社 | ポリスルホン多孔質中空糸 |
| US5788862A (en) * | 1992-05-13 | 1998-08-04 | Pall Corporation | Filtration medium |
| US5480554A (en) * | 1992-05-13 | 1996-01-02 | Pall Corporation | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
| US20190329183A1 (en) | 2016-06-23 | 2019-10-31 | Basf Se | Use of a solution of polysulfone in n-acyl-morpholine for the fabrication of uf membranes |
| CN110342910B (zh) * | 2019-08-21 | 2021-08-31 | 中国石油化工股份有限公司 | 由fcc废催化剂制备陶瓷中空纤维膜的方法及陶瓷中空纤维膜 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2404719A (en) * | 1942-06-17 | 1946-07-23 | Du Pont | Acrylonitrile polymer solutions |
| FR1586563A (es) * | 1968-10-29 | 1970-02-20 | ||
| US3775361A (en) * | 1971-10-21 | 1973-11-27 | Du Pont | Preparation of stable concentrated solutions of aromatic nitrogen-linked condensation polymers |
| US4127625A (en) * | 1975-03-27 | 1978-11-28 | Daicel Ltd. | Process for preparing hollow fiber having selective gas permeability |
| ZA762209B (en) * | 1975-04-23 | 1977-04-27 | Envirogenics Syst | Gas separation membrane |
| FR2410501A1 (fr) * | 1976-11-15 | 1979-06-29 | Monsanto Co | Membranes a composants multiples pour des separations de gaz |
-
1980
- 1980-03-11 IL IL59581A patent/IL59581A0/xx unknown
- 1980-03-25 ES ES489884A patent/ES489884A0/es active Granted
- 1980-03-26 AR AR280443A patent/AR220972A1/es active
- 1980-03-27 CA CA000348807A patent/CA1141510A/en not_active Expired
- 1980-03-27 NO NO800893A patent/NO800893L/no unknown
- 1980-03-27 PT PT71024A patent/PT71024A/pt unknown
- 1980-03-27 RO RO80100644A patent/RO79464A/ro unknown
- 1980-03-27 GR GR61547A patent/GR67255B/el unknown
- 1980-03-27 YU YU00860/80A patent/YU86080A/xx unknown
- 1980-03-27 DK DK131780A patent/DK131780A/da unknown
- 1980-03-27 GB GB8010315A patent/GB2047162B/en not_active Expired
- 1980-03-27 AU AU56891/80A patent/AU532082B2/en not_active Ceased
- 1980-03-27 DE DE19803011917 patent/DE3011917A1/de not_active Ceased
- 1980-03-27 DD DD80219976A patent/DD150066A5/de unknown
- 1980-03-27 BR BR8001873A patent/BR8001873A/pt unknown
- 1980-03-27 FR FR8006858A patent/FR2452507A1/fr not_active Withdrawn
- 1980-03-27 GB GB8218393A patent/GB2100181B/en not_active Expired
- 1980-03-27 SE SE8002388A patent/SE8002388L/xx not_active Application Discontinuation
- 1980-03-27 IT IT20971/80A patent/IT1131098B/it active
- 1980-03-28 FI FI800977A patent/FI800977A/fi not_active Application Discontinuation
- 1980-03-28 NL NL8001845A patent/NL8001845A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI800977A (fi) | 1980-09-29 |
| IT1131098B (it) | 1986-06-18 |
| YU86080A (en) | 1983-02-28 |
| PT71024A (en) | 1980-04-01 |
| DD150066A5 (de) | 1981-08-12 |
| IL59581A0 (en) | 1980-06-30 |
| FR2452507A1 (fr) | 1980-10-24 |
| BR8001873A (pt) | 1980-11-25 |
| RO79464A (ro) | 1982-07-06 |
| DK131780A (da) | 1980-09-29 |
| GB2100181B (en) | 1983-11-02 |
| AU5689180A (en) | 1980-10-02 |
| DE3011917A1 (de) | 1980-10-02 |
| AR220972A1 (es) | 1980-12-15 |
| SE8002388L (sv) | 1980-09-29 |
| NL8001845A (nl) | 1980-09-30 |
| IT8020971A0 (it) | 1980-03-27 |
| CA1141510A (en) | 1983-02-22 |
| GB2100181A (en) | 1982-12-22 |
| GB2047162B (en) | 1983-02-02 |
| GB2047162A (en) | 1980-11-26 |
| ES8107038A1 (es) | 1981-10-01 |
| GR67255B (es) | 1981-06-26 |
| ES489884A0 (es) | 1981-10-01 |
| AU532082B2 (en) | 1983-09-15 |
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