CS203920B2 - Dialysis membrane for the homodialysis - Google Patents
Dialysis membrane for the homodialysis Download PDFInfo
- Publication number
- CS203920B2 CS203920B2 CS774060A CS406077A CS203920B2 CS 203920 B2 CS203920 B2 CS 203920B2 CS 774060 A CS774060 A CS 774060A CS 406077 A CS406077 A CS 406077A CS 203920 B2 CS203920 B2 CS 203920B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- cellulose
- dialysis membrane
- layer
- adsorbent
- membrane according
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 45
- 238000000502 dialysis Methods 0.000 title claims abstract description 32
- 229920002678 cellulose Polymers 0.000 claims abstract description 37
- 239000001913 cellulose Substances 0.000 claims abstract description 37
- 239000003463 adsorbent Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 18
- 239000004627 regenerated cellulose Substances 0.000 claims abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims abstract description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 3
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 239000003153 chemical reaction reagent Substances 0.000 claims description 24
- 239000012510 hollow fiber Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims description 6
- 210000004369 blood Anatomy 0.000 claims description 6
- 238000001631 haemodialysis Methods 0.000 claims description 6
- 230000000322 hemodialysis Effects 0.000 claims description 6
- 239000011796 hollow space material Substances 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 229940105132 myristate Drugs 0.000 claims 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 claims 1
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 abstract description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract description 4
- 239000003610 charcoal Substances 0.000 abstract description 2
- 210000003734 kidney Anatomy 0.000 abstract description 2
- 239000002250 absorbent Substances 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000035699 permeability Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229940109239 creatinine Drugs 0.000 description 2
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 150000003722 vitamin derivatives Chemical class 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229930003779 Vitamin B12 Natural products 0.000 description 1
- 229920013820 alkyl cellulose Polymers 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- FDJOLVPMNUYSCM-WZHZPDAFSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+3].N#[C-].N([C@@H]([C@]1(C)[N-]\C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C(\C)/C1=N/C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C\C1=N\C([C@H](C1(C)C)CCC(N)=O)=C/1C)[C@@H]2CC(N)=O)=C\1[C@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]1[C@@H](O)[C@@H](N2C3=CC(C)=C(C)C=C3N=C2)O[C@@H]1CO FDJOLVPMNUYSCM-WZHZPDAFSA-L 0.000 description 1
- LGECYHKACRVEKY-UHFFFAOYSA-L copper;azane;dihydroxide Chemical compound N.N.N.N.[OH-].[OH-].[Cu+2] LGECYHKACRVEKY-UHFFFAOYSA-L 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000011715 vitamin B12 Substances 0.000 description 1
- 235000019163 vitamin B12 Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- 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
- B01D69/04—Tubular 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
- B01D69/06—Flat 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
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1212—Coextruded layers
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
-
- 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
- B01D69/14—Dynamic membranes
- B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
- B01D69/147—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes containing embedded adsorbents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2627858A DE2627858C2 (de) | 1976-06-22 | 1976-06-22 | Dialysemembran, insbesondere für die Hämodialyse |
DE2705734A DE2705734C3 (de) | 1977-02-11 | 1977-02-11 | Dialysemembran für die Hämodialyse |
Publications (1)
Publication Number | Publication Date |
---|---|
CS203920B2 true CS203920B2 (en) | 1981-03-31 |
Family
ID=25770594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS774060A CS203920B2 (en) | 1976-06-22 | 1977-06-20 | Dialysis membrane for the homodialysis |
Country Status (17)
Country | Link |
---|---|
US (1) | US4164437A (de) |
JP (1) | JPS5313595A (de) |
AT (1) | AT356795B (de) |
AU (1) | AU503682B2 (de) |
CA (1) | CA1107656A (de) |
CS (1) | CS203920B2 (de) |
DK (1) | DK273277A (de) |
ES (1) | ES459746A1 (de) |
FR (1) | FR2355540A1 (de) |
GB (1) | GB1525448A (de) |
HK (1) | HK72479A (de) |
IL (1) | IL52259A (de) |
IT (1) | IT1078944B (de) |
LU (1) | LU77586A1 (de) |
NL (1) | NL7706609A (de) |
NO (1) | NO142736C (de) |
SE (1) | SE435680B (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4240796A (en) * | 1977-08-31 | 1980-12-23 | Senko Medical Instruments Mfg. Co., Ltd. | Method of treating capillary fibers |
DE2816085B2 (de) * | 1978-04-13 | 1981-04-23 | Sartorius GmbH, 3400 Göttingen | Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosehydrat |
DE2823985C2 (de) * | 1978-06-01 | 1986-01-02 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran |
JPS559246U (de) * | 1978-07-03 | 1980-01-21 | ||
NL7907213A (nl) * | 1978-10-02 | 1980-04-08 | Akzo Nv | Dialysemembraan gevormd door een keten van holle vezels. |
LU81737A1 (de) * | 1978-10-02 | 1980-01-24 | Akzo Nv | Duennwandige dialysehohlfadenmembran |
NL7907212A (nl) * | 1978-10-02 | 1980-04-08 | Akzo Nv | Holle-vezel-dialysemembraan met verbeterd uitwisselingsoppervlak. |
LU81736A1 (de) * | 1978-10-02 | 1980-01-24 | Akzo Nv | Dialysehohlfadenmembran mit laengswellen |
DE7829409U1 (de) * | 1978-10-02 | 1986-07-31 | Akzo Gmbh, 5600 Wuppertal | Dialysemembranhohlfaden mit größerer Austauschfläche |
US4302509A (en) * | 1979-02-22 | 1981-11-24 | Albany International Corp. | Sorbent-cored textile yarns |
US4315877A (en) * | 1979-02-22 | 1982-02-16 | Albany International Corp. | Methods of fabricating sorbent-cored textile yarns |
US4288494A (en) * | 1979-03-12 | 1981-09-08 | Extracorporeal Medical Specialites, Inc. | Non-uniform cross-sectional area hollow fibers |
US4291096A (en) * | 1979-03-12 | 1981-09-22 | Extracorporeal Medical Specialties, Inc. | Non-uniform cross-sectional area hollow fibers |
US4380520A (en) * | 1979-03-12 | 1983-04-19 | Extracorporeal Medical Specialties, Inc. | Process for producing hollow fibres having a uniform wall thickness and a non-uniform cross-sectional area |
EP0048267A1 (de) * | 1980-03-24 | 1982-03-31 | Baxter Travenol Laboratories, Inc. | Verfahren zur herstellung von diffusionsmembranen unter verwendung von auseinanderstehenden drehspindeln |
DE3021943A1 (de) * | 1980-06-12 | 1982-01-21 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran aus cellulose |
US4444663A (en) * | 1980-09-16 | 1984-04-24 | Terumo Corporation | Membrane and method for manufacture thereof |
WO1987000213A1 (en) * | 1985-06-27 | 1987-01-15 | Mitsubishi Rayon Co., Ltd. | Composite hollow yarn and a process for producing the same |
DE3709432A1 (de) * | 1987-03-21 | 1988-10-06 | Fresenius Ag | Kapillarfilteranordnung zur sterilisation von fluessigen medien |
US4874568A (en) * | 1988-09-26 | 1989-10-17 | The Dow Chemical Company | Process of making a porous membrane |
US4873037A (en) * | 1988-10-05 | 1989-10-10 | The Dow Chemical Company | Method for preparing an asymmetric semi-permeable membrane |
WO1990005007A1 (en) * | 1988-11-10 | 1990-05-17 | Memtec Limited | Porous membranes |
DE4038247A1 (de) * | 1990-11-30 | 1992-06-04 | Akzo Gmbh | Cellulosedialysehohlfaden |
US5085676A (en) * | 1990-12-04 | 1992-02-04 | E. I. Du Pont De Nemours And Company | Novel multicomponent fluid separation membranes |
US7229665B2 (en) * | 2001-05-22 | 2007-06-12 | Millipore Corporation | Process of forming multilayered structures |
US7942274B2 (en) * | 2000-05-24 | 2011-05-17 | Millipore Corporation | High-throughput asymmetric membrane |
US6773531B2 (en) * | 2001-05-21 | 2004-08-10 | E. I. Du Pont De Nemours And Company | Process and apparatus for making multi-layered, multi-component filaments |
US20110003144A1 (en) * | 2006-11-14 | 2011-01-06 | Philip John Brown | Capillary-channeled polymer fibers modified for defense against chemical and biological contaminants |
JPWO2010061820A1 (ja) * | 2008-11-25 | 2012-04-26 | 旭化成せんい株式会社 | 複合膜及び該複合膜を含むイオントフォレーシス装置 |
DE102011010921A1 (de) | 2011-02-10 | 2012-08-16 | Fresenius Medical Care Deutschland Gmbh | Delaminationsfreie Membran |
DE102010055731A1 (de) | 2010-12-22 | 2012-06-28 | Fresenius Medical Care Deutschland Gmbh | Delaminationsfreie Membran |
EP2654930B1 (de) | 2010-12-22 | 2020-06-03 | Fresenius Medical Care | Delaminationsfreie membran |
US9718031B2 (en) | 2013-07-05 | 2017-08-01 | Chevron U.S.A. Inc. | Composite hollow fiber membranes useful for CO2 removal from natural gas |
CN110506138B (zh) * | 2017-04-04 | 2022-07-26 | 东丽株式会社 | 多孔纤维和吸附柱 |
CN112657347B (zh) * | 2020-12-16 | 2022-11-29 | 杭州科百特科技有限公司 | 一种再生纤维素超滤膜及其应用和制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR776961A (fr) * | 1933-10-26 | 1935-02-08 | Comptoir Textiles Artificiels | Procédé et dispositifs pour l'obtention de textiles artificiels nouveaux |
NL71243C (de) * | 1949-05-24 | |||
NL100700C (de) * | 1956-05-11 | |||
US3318988A (en) * | 1956-08-09 | 1967-05-09 | Fmc Corp | Process for preparing conjugated viscose filaments containing contact agents |
NL286234A (de) * | 1962-10-16 | |||
CH507012A (de) * | 1966-09-02 | 1971-05-15 | Dietzsch Gmbh Hans Joachim | Verfahren zur Herstellung einer Kapillare für Membrankapillaren-Austauscher |
BE759911A (fr) * | 1969-12-05 | 1971-05-17 | Worthington Biochem Corp | Produits enzymatiques actifs |
DE2225862A1 (de) * | 1972-05-27 | 1973-12-06 | George Ernest Von Henning | Biologische reaktionskammer |
US3888771A (en) * | 1972-06-02 | 1975-06-10 | Asahi Chemical Ind | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
JPS5223518B2 (de) * | 1973-05-22 | 1977-06-24 | ||
SE441143B (sv) * | 1976-09-02 | 1985-09-16 | Hoechst Ag | Membranenhet och anordning for avlegsnande av metaboliter ur blod |
-
1977
- 1977-06-06 IL IL52259A patent/IL52259A/xx unknown
- 1977-06-14 NO NO772074A patent/NO142736C/no unknown
- 1977-06-14 ES ES459746A patent/ES459746A1/es not_active Expired
- 1977-06-15 AU AU26105/77A patent/AU503682B2/en not_active Expired
- 1977-06-16 NL NL7706609A patent/NL7706609A/xx not_active Application Discontinuation
- 1977-06-20 CS CS774060A patent/CS203920B2/cs unknown
- 1977-06-20 LU LU77586A patent/LU77586A1/xx unknown
- 1977-06-20 FR FR7718875A patent/FR2355540A1/fr active Granted
- 1977-06-20 IT IT49888/77A patent/IT1078944B/it active
- 1977-06-21 JP JP7378677A patent/JPS5313595A/ja active Granted
- 1977-06-21 SE SE7707151A patent/SE435680B/xx unknown
- 1977-06-21 DK DK273277A patent/DK273277A/da not_active Application Discontinuation
- 1977-06-21 AT AT437677A patent/AT356795B/de not_active IP Right Cessation
- 1977-06-21 CA CA281,006A patent/CA1107656A/en not_active Expired
- 1977-06-22 GB GB26076/77A patent/GB1525448A/en not_active Expired
- 1977-06-23 US US05/809,486 patent/US4164437A/en not_active Expired - Lifetime
-
1979
- 1979-10-11 HK HK724/79A patent/HK72479A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES459746A1 (es) | 1978-04-01 |
ATA437677A (de) | 1979-10-15 |
IL52259A0 (en) | 1977-08-31 |
JPS566788B2 (de) | 1981-02-13 |
LU77586A1 (de) | 1977-09-29 |
IL52259A (en) | 1981-02-27 |
AT356795B (de) | 1980-05-27 |
FR2355540B1 (de) | 1983-12-16 |
SE7707151L (sv) | 1977-12-23 |
HK72479A (en) | 1979-10-19 |
NO142736C (no) | 1980-10-08 |
JPS5313595A (en) | 1978-02-07 |
NO142736B (no) | 1980-06-30 |
IT1078944B (it) | 1985-05-08 |
NO772074L (no) | 1977-12-23 |
US4164437A (en) | 1979-08-14 |
AU2610577A (en) | 1978-12-21 |
GB1525448A (en) | 1978-09-20 |
AU503682B2 (en) | 1979-09-13 |
FR2355540A1 (fr) | 1978-01-20 |
SE435680B (sv) | 1984-10-15 |
NL7706609A (nl) | 1977-12-27 |
DK273277A (da) | 1977-12-23 |
CA1107656A (en) | 1981-08-25 |
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