CS220316B2 - Diaphragm for haemodialysis and method of manufacturing same - Google Patents
Diaphragm for haemodialysis and method of manufacturing same Download PDFInfo
- Publication number
- CS220316B2 CS220316B2 CS78765A CS76578A CS220316B2 CS 220316 B2 CS220316 B2 CS 220316B2 CS 78765 A CS78765 A CS 78765A CS 76578 A CS76578 A CS 76578A CS 220316 B2 CS220316 B2 CS 220316B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- cellulose
- membrane
- blood
- dialysis membrane
- dialysis
- Prior art date
Links
- 238000001631 haemodialysis Methods 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000012528 membrane Substances 0.000 claims abstract description 64
- 229920002678 cellulose Polymers 0.000 claims abstract description 51
- 239000001913 cellulose Substances 0.000 claims abstract description 50
- 238000000502 dialysis Methods 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 14
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000003527 fibrinolytic agent Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000006467 substitution reaction Methods 0.000 claims description 5
- 230000000322 hemodialysis Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229920003043 Cellulose fiber Polymers 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 11
- 210000004369 blood Anatomy 0.000 abstract description 11
- 230000002965 anti-thrombogenic effect Effects 0.000 abstract description 7
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 235000010980 cellulose Nutrition 0.000 description 43
- 239000000243 solution Substances 0.000 description 24
- 239000012510 hollow fiber Substances 0.000 description 12
- 229920000669 heparin Polymers 0.000 description 7
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 6
- 229960002897 heparin Drugs 0.000 description 6
- LGECYHKACRVEKY-UHFFFAOYSA-L copper;azane;dihydroxide Chemical compound N.N.N.N.[OH-].[OH-].[Cu+2] LGECYHKACRVEKY-UHFFFAOYSA-L 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 210000003734 kidney Anatomy 0.000 description 4
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 3
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 3
- 230000023555 blood coagulation Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 229940074928 isopropyl myristate Drugs 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FNZSVEHJZREFPF-SSDOTTSWSA-N (2r)-2-pentylbutanedioic acid Chemical compound CCCCC[C@@H](C(O)=O)CC(O)=O FNZSVEHJZREFPF-SSDOTTSWSA-N 0.000 description 1
- JVIPLYCGEZUBIO-UHFFFAOYSA-N 2-(4-fluorophenyl)-1,3-dioxoisoindole-5-carboxylic acid Chemical compound O=C1C2=CC(C(=O)O)=CC=C2C(=O)N1C1=CC=C(F)C=C1 JVIPLYCGEZUBIO-UHFFFAOYSA-N 0.000 description 1
- BSYNRYMUTXBXSQ-FOQJRBATSA-N 59096-14-9 Chemical compound CC(=O)OC1=CC=CC=C1[14C](O)=O BSYNRYMUTXBXSQ-FOQJRBATSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- 229920001425 Diethylaminoethyl cellulose Polymers 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 235000008753 Papaver somniferum Nutrition 0.000 description 1
- 240000001090 Papaver somniferum Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000002785 anti-thrombosis Effects 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- 239000000385 dialysis solution Substances 0.000 description 1
- DOBMPNYZJYQDGZ-UHFFFAOYSA-N dicoumarol Chemical compound C1=CC=CC2=C1OC(=O)C(CC=1C(OC3=CC=CC=C3C=1O)=O)=C2O DOBMPNYZJYQDGZ-UHFFFAOYSA-N 0.000 description 1
- 229960001912 dicoumarol Drugs 0.000 description 1
- GGWBHVILAJZWKJ-UHFFFAOYSA-N dimethyl-[[5-[2-[[1-(methylamino)-2-nitroethenyl]amino]ethylsulfanylmethyl]furan-2-yl]methyl]azanium;chloride Chemical compound Cl.[O-][N+](=O)C=C(NC)NCCSCC1=CC=C(CN(C)C)O1 GGWBHVILAJZWKJ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229950006191 gluconic acid Drugs 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- -1 glucose anhydride Chemical class 0.000 description 1
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical compound CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- DOMXUEMWDBAQBQ-WEVVVXLNSA-N terbinafine Chemical compound C1=CC=C2C(CN(C\C=C\C#CC(C)(C)C)C)=CC=CC2=C1 DOMXUEMWDBAQBQ-WEVVVXLNSA-N 0.000 description 1
- 229960002722 terbinafine Drugs 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B01D69/08—Hollow fibre membranes
- B01D69/085—Details relating to the spinneret
-
- 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
- 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
- B01D69/1213—Laminated 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
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/18—Cellulose, modified cellulose or cellulose derivatives, e.g. viscose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2535/00—Medical equipment, e.g. bandage, prostheses or catheter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2705733A DE2705733C2 (de) | 1977-02-11 | 1977-02-11 | Dialysemembran für die Hämodialyse |
| DE2705735A DE2705735C3 (de) | 1977-02-11 | 1977-02-11 | Dialysemembran für die Hämodialyse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS220316B2 true CS220316B2 (en) | 1983-03-25 |
Family
ID=25771589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS78765A CS220316B2 (en) | 1977-02-11 | 1978-02-06 | Diaphragm for haemodialysis and method of manufacturing same |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4276172A (de) |
| JP (1) | JPS53100698A (de) |
| AT (1) | AT371341B (de) |
| CS (1) | CS220316B2 (de) |
| DD (1) | DD133900A5 (de) |
| FR (1) | FR2380052A1 (de) |
| GB (1) | GB1562069A (de) |
| IT (1) | IT1105155B (de) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU81734A1 (de) * | 1978-10-02 | 1980-01-24 | Akzo Nv | Dialysemembranhohlfaden mit verbesserter austauschflaeche |
| LU81736A1 (de) * | 1978-10-02 | 1980-01-24 | Akzo Nv | Dialysehohlfadenmembran mit laengswellen |
| LU81737A1 (de) * | 1978-10-02 | 1980-01-24 | Akzo Nv | Duennwandige dialysehohlfadenmembran |
| US4645602A (en) * | 1981-12-18 | 1987-02-24 | Barnes Jr Robert G | Process for producing reinforced microporous membrane |
| DE3341113A1 (de) * | 1983-11-12 | 1985-05-23 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran mit verbesserter vertraeglichkeit |
| DE3566954D1 (en) * | 1984-03-20 | 1989-02-02 | Akzo Gmbh | Cellulose dialysis membrane with improved biocompatibility |
| DE3572771D1 (en) * | 1984-08-18 | 1989-10-12 | Akzo Gmbh | Modified cellulose dialysis membrane with improved biocompatibility |
| US4861661A (en) * | 1986-06-27 | 1989-08-29 | E. I. Du Pont De Nemours And Company | Co-spun filament within a hollow filament and spinneret for production thereof |
| US4882106A (en) * | 1987-02-27 | 1989-11-21 | Baxter Travenol Laboratories, Inc. | Methods of manufacturing nucleophilic material modified for improved biocompatibility |
| US4857081A (en) * | 1987-10-15 | 1989-08-15 | Separation Dynamics, Inc. | Separation of water from hydrocarbons and halogenated hydrocarbons |
| DE3814326A1 (de) * | 1988-04-28 | 1989-11-09 | Akzo Gmbh | Verfahren zur modifizierung von cellulosischen dialysemembranen zur verbesserung der biocompatibilitaet und vorrichtung zur durchfuehrung des verfahrens |
| US4963265A (en) * | 1988-05-06 | 1990-10-16 | Applied Immunesciences, Inc. | Plasma processing device with anaphylatoxin remover |
| US4978451A (en) * | 1989-09-05 | 1990-12-18 | Separation Dynamics, Inc. | Supported hydrophilic membrane |
| FR2656234B1 (fr) * | 1989-12-22 | 1992-03-20 | Hospal Ind | Membrane semi-permeable asymetrique pour le traitement des liquides biologiques. |
| US5221483A (en) * | 1990-06-29 | 1993-06-22 | Coulter Corporation | Process and apparatus for removal of DNA, viruses and endotoxins |
| US5076933A (en) * | 1990-06-29 | 1991-12-31 | Coulter Corporation | Process and apparatus for removal of dna and viruses |
| US5256294A (en) * | 1990-09-17 | 1993-10-26 | Genentech, Inc. | Tangential flow filtration process and apparatus |
| NL9102151A (nl) * | 1991-12-20 | 1993-07-16 | Delair Droogtech & Lucht | Het spinnen van asymmetrische holle vezelmembranen met een dichte, niet-poreuze toplaag en een poreuze onderlaag, resp. met zowel een poreuze toplaag als een poreuze onderlaag. |
| DE59208184D1 (de) * | 1992-01-07 | 1997-04-17 | Akzo Nobel Nv | Verfahren zum Beschichten cellulosischer Membranen |
| US5240614A (en) * | 1992-01-10 | 1993-08-31 | Baxter International Inc. | Process for removing unwanted materials from fluids and for producing biological products |
| US5480552A (en) * | 1992-01-10 | 1996-01-02 | Baxter International Inc. | Method for concentrating a solute with an oscillating filtration device |
| JPH05310801A (ja) * | 1992-05-08 | 1993-11-22 | Teijin Ltd | 変性セルロース系ポリマー、血液処理器及びその製造方法 |
| EP0653241A1 (de) * | 1993-11-16 | 1995-05-17 | Hoechst Celanese Corporation | Beschichtete Fasern |
| US5522991A (en) * | 1994-07-20 | 1996-06-04 | Millipore Investment Holdings Limited | Cellulosic ultrafiltration membrane |
| EP0730154B1 (de) | 1994-09-19 | 2005-11-30 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Behälter und träger für die blutuntersuchung enthaltend einen blutkomponenten adhäsions-inhibitor |
| JP2005506168A (ja) * | 2000-08-07 | 2005-03-03 | キュノ、インコーポレーテッド | 複数区域不支持微孔性薄膜 |
| FR2920786B1 (fr) * | 2007-09-07 | 2010-09-10 | Univ Claude Bernard Lyon | Fibres creuses, notamment multi membranaires, leur procede de preparation par filage et dispositif pour la mise en oeuvre dudit procede |
| DE102008003090A1 (de) | 2008-01-03 | 2009-07-16 | Fresenius Medical Care Deutschland Gmbh | Hohlfasermembran |
| SG188832A1 (en) * | 2008-02-29 | 2013-04-30 | Agency Science Tech & Res | Hydrodynamic spinning of polymer fiber in coaxial laminar flows |
| KR101907924B1 (ko) * | 2010-12-22 | 2018-10-15 | 프레제니우스 메디칼 케어 도이칠란드 게엠베하 | 층간박리가 없는 멤브레인 |
| DE102010055731A1 (de) | 2010-12-22 | 2012-06-28 | Fresenius Medical Care Deutschland Gmbh | Delaminationsfreie Membran |
| DE102011010921A1 (de) | 2011-02-10 | 2012-08-16 | Fresenius Medical Care Deutschland Gmbh | Delaminationsfreie Membran |
| EP3398675A1 (de) | 2017-05-02 | 2018-11-07 | Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH | Makroporöse oder mesoporöse polymerfilme in hohlfaser- oder flachfolien-geometrie |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1054995A (de) * | 1900-01-01 | |||
| FR776961A (fr) * | 1933-10-26 | 1935-02-08 | Comptoir Textiles Artificiels | Procédé et dispositifs pour l'obtention de textiles artificiels nouveaux |
| US3276996A (en) * | 1963-07-15 | 1966-10-04 | Lazare Leon | Separating water from saline solutions |
| US3441142A (en) * | 1966-07-21 | 1969-04-29 | Dow Chemical Co | Nonthrombogenic plastic membranes |
| CH507012A (de) * | 1966-09-02 | 1971-05-15 | Dietzsch Gmbh Hans Joachim | Verfahren zur Herstellung einer Kapillare für Membrankapillaren-Austauscher |
| US3600487A (en) * | 1969-09-08 | 1971-08-17 | Phillips Petroleum Co | Forming parisons with nucleated inner layer |
| US3673612A (en) * | 1970-08-28 | 1972-07-04 | Massachusetts Inst Technology | Non-thrombogenic materials and methods for their preparation |
| US3888771A (en) * | 1972-06-02 | 1975-06-10 | Asahi Chemical Ind | Hollow fibers of cuprammonium cellulose and a process of the manufacture of same |
| US4071590A (en) * | 1974-11-02 | 1978-01-31 | Forschungsinstitute Bergof Gmbh | Composite asymmetrical membranes |
| US3969240A (en) * | 1975-02-03 | 1976-07-13 | The United States Of America As Represented By The Department Of Health, Education And Welfare | Polysiloxane membrane lung |
| US4127625A (en) * | 1975-03-27 | 1978-11-28 | Daicel Ltd. | Process for preparing hollow fiber having selective gas permeability |
| DE2522821A1 (de) * | 1975-05-23 | 1976-11-25 | Battelle Institut E V | Permselektive membran fuer kuenstliche nieren |
| GB1566581A (en) * | 1975-12-29 | 1980-05-08 | Nippon Zeon Co | Hollow fibres and methods of manufacturing such fibres |
| US4061461A (en) * | 1976-05-10 | 1977-12-06 | Thermoplastice Processes Inc. | Compound extrusion die for producing an internally lined extrudate |
-
1978
- 1978-01-18 FR FR7801415A patent/FR2380052A1/fr active Granted
- 1978-01-30 IT IT47840/78A patent/IT1105155B/it active
- 1978-02-06 CS CS78765A patent/CS220316B2/cs unknown
- 1978-02-07 US US05/875,926 patent/US4276172A/en not_active Expired - Lifetime
- 1978-02-09 DD DD78203635A patent/DD133900A5/de unknown
- 1978-02-09 AT AT0091078A patent/AT371341B/de not_active IP Right Cessation
- 1978-02-10 GB GB5427/78A patent/GB1562069A/en not_active Expired
- 1978-02-10 JP JP1485578A patent/JPS53100698A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2380052B1 (de) | 1982-09-03 |
| JPS5735018B2 (de) | 1982-07-27 |
| JPS53100698A (en) | 1978-09-02 |
| FR2380052A1 (fr) | 1978-09-08 |
| AT371341B (de) | 1983-06-27 |
| IT1105155B (it) | 1985-10-28 |
| ATA91078A (de) | 1982-11-15 |
| GB1562069A (en) | 1980-03-05 |
| US4276172A (en) | 1981-06-30 |
| IT7847840A0 (it) | 1978-01-30 |
| DD133900A5 (de) | 1979-01-31 |
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