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ES8706450A1 - Procedimiento para producir membranas de dialisis para la hemodialisis - Google Patents

Procedimiento para producir membranas de dialisis para la hemodialisis

Info

Publication number
ES8706450A1
ES8706450A1 ES546200A ES546200A ES8706450A1 ES 8706450 A1 ES8706450 A1 ES 8706450A1 ES 546200 A ES546200 A ES 546200A ES 546200 A ES546200 A ES 546200A ES 8706450 A1 ES8706450 A1 ES 8706450A1
Authority
ES
Spain
Prior art keywords
group
modified cellulose
member selected
dialysis membrane
substitution
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
Application number
ES546200A
Other languages
English (en)
Other versions
ES546200A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzo NV
Original Assignee
Akzo NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19843430503 external-priority patent/DE3430503A1/de
Priority claimed from DE19853524596 external-priority patent/DE3524596A1/de
Application filed by Akzo NV filed Critical Akzo NV
Publication of ES546200A0 publication Critical patent/ES546200A0/es
Publication of ES8706450A1 publication Critical patent/ES8706450A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • 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
    • B01D71/12—Cellulose derivatives
    • B01D71/22—Cellulose ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • External Artificial Organs (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

PROCEDIMIENTO PARA PRODUCIR MEMBRANAS DE DIALISIS PARA HEMODIALISIS. COMPRENDE: A) EXTRAER POR UNA BOQUILLA DE RANURA ANCHA UNA SOLUCION DE HILATURA EN UN BAÑO DE COAGULACION ACIDO O BASICO, PARA FORMAR UNA MEMBRANA; B) LAVAR LA MEMBRANA DE A); C) TRATAR A LA MEMBRANA CON UNA SOLUCION ACUOSA DE GLICERINA QUE TIENE METANOL O PROPANOL; Y D) SECAR LA MEMBRANA DE C). EL BAÑO DE COAGULACION PUEDE SER ACIDO (ACIDO SULFURICO) O BASICO (LEJIA DE SOSA DILUIDA); LA SOLUCION DE HILATURA ESTA FORMADA POR 4 A 16 POR CIENTO UN PESO DE CELULOSA MODIFICADA CON UN GRADO MEDIO DE SUSTITUCION ENTRE 0,02 Y 0,07, 5,5 A 10 POR CIENTO EN PESO DE AMONIACO Y 2,5 A 5 POR CIENTO EN PESO DE CU; LA CELULOSA MODIFICADA ES DE FORMULA CELULOSA -R ELEVADO A 1-X-Y. SIENDO X, -NR", -S, Y OTRAS; Y, -R, -NR Y OTROS; R, ALQUILO DE 1 A 5 Y OTROS; R ELEVADO A 1, ALQUILENO, CICLOALQUILENO DE 1 A 25 Y R", H O R Y EL SUSTITUYENTE DE CELULOSA SE ELIGE ENTRE GRUPOS SULFO, O GRUPOS FOSFONATOS.
ES546200A 1984-08-18 1985-08-16 Procedimiento para producir membranas de dialisis para la hemodialisis Expired ES8706450A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843430503 DE3430503A1 (de) 1984-08-18 1984-08-18 Dialysemembran aus modifizierter cellulose mit verbesserter biokompatibilitaet
DE19853524596 DE3524596A1 (de) 1985-07-10 1985-07-10 Dialysemembran aus modifizierter cellulose mit verbesserter biokompatibilitaet

Publications (2)

Publication Number Publication Date
ES546200A0 ES546200A0 (es) 1987-07-01
ES8706450A1 true ES8706450A1 (es) 1987-07-01

Family

ID=25823995

Family Applications (1)

Application Number Title Priority Date Filing Date
ES546200A Expired ES8706450A1 (es) 1984-08-18 1985-08-16 Procedimiento para producir membranas de dialisis para la hemodialisis

Country Status (5)

Country Link
US (1) US4668396A (es)
EP (1) EP0172437B1 (es)
JP (1) JPH0626567B2 (es)
DE (1) DE3572771D1 (es)
ES (1) ES8706450A1 (es)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3341113A1 (de) * 1983-11-12 1985-05-23 Akzo Gmbh, 5600 Wuppertal Dialysemembran mit verbesserter vertraeglichkeit
EP0266795B2 (en) * 1986-11-07 1996-03-27 Asahi Kasei Kogyo Kabushiki Kaisha Improved regenerated cellulose membrane and process for preparation thereof
US4882106A (en) * 1987-02-27 1989-11-21 Baxter Travenol Laboratories, Inc. Methods of manufacturing nucleophilic material modified for improved biocompatibility
DE3723897A1 (de) * 1987-07-18 1989-01-26 Akzo Gmbh Cellulosederivate und daraus hergestellte fasern und membranen
EP0330106A1 (de) * 1988-02-25 1989-08-30 Akzo Nobel N.V. Modifizierte Cellulose für biocompatible Dialysemembranen II und Verfahren zu deren Herstellung
EP0330134A1 (de) * 1988-02-25 1989-08-30 Akzo Nobel N.V. Modifizierte Cellulose für biocompatible Dialysemembranen IV und Verfahren zu deren Herstellung
EP0339200A1 (de) * 1988-02-25 1989-11-02 Akzo Nobel N.V. Modifizierte Cellulose für biocompatible Dialysemembranen III und Verfahren zu deren Herstellung
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
JPH0263531A (ja) † 1988-05-30 1990-03-02 Terumo Corp 中空糸膜の製造方法
DE3826468A1 (de) * 1988-08-04 1990-02-15 Akzo Gmbh Dialysemembran fuer die haemodialyse aus regenerierter, modifizierter cellulose
DE3842822A1 (de) * 1988-12-20 1990-07-05 Akzo Gmbh Biocompatible dialysemembran aus einem gemischten polysaccharidester
DE3929150A1 (de) * 1989-09-02 1991-03-07 Akzo Gmbh Cellulosische membranen
DE4017745A1 (de) * 1990-06-01 1991-12-05 Akzo Gmbh Dialysemembran aus polysaccharidether
US5076933A (en) * 1990-06-29 1991-12-31 Coulter Corporation Process and apparatus for removal of dna and viruses
DE59205365D1 (de) * 1991-08-17 1996-03-28 Akzo Nobel Nv Dialysehohlfaden
DE59208184D1 (de) * 1992-01-07 1997-04-17 Akzo Nobel Nv Verfahren zum Beschichten cellulosischer Membranen
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
EP0647466A3 (de) * 1993-10-08 1996-01-17 Akzo Nobel Nv Cellulosische Membranen.
US20020197250A1 (en) * 2001-04-10 2002-12-26 Renal Tech International Biocompatible devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in the blood
US20020198487A1 (en) * 2001-04-10 2002-12-26 Renal Tech International Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in physiologic fluids
US8329388B2 (en) * 1997-07-30 2012-12-11 Cytosorbents, Inc. Biocompatible devices, systems, and methods for reducing levels of proinflammatory of antiinflammatory stimulators or mediators in the blood
US20020197249A1 (en) * 2001-04-10 2002-12-26 Renal Tech International Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in blood products
US20020159995A1 (en) 1997-07-30 2002-10-31 Renal Tech International Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in the blood, generated as a result of extracorporeal blood processing
DE19750527C2 (de) * 1997-11-14 1999-11-18 Akzo Nobel Nv Cellulosische Trennmembran
AU2001287731A1 (en) * 2000-09-12 2002-03-26 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. High temperature-stabile silicon boron carbide nitride ceramics comprised of silylalkyl borazines, method for the production thereof, and their use
US6878127B2 (en) * 2001-04-10 2005-04-12 Renaltech International, Llc Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in the blood
US20020197252A1 (en) * 2001-04-10 2002-12-26 Renal Tech International Selective adsorption devices and systems
DE102004023410B4 (de) * 2004-05-12 2008-11-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Membran für die Blutdetoxifikation, Verfahren zu deren Herstellung sowie deren Verwendung
SE527292C2 (sv) * 2004-08-25 2006-02-07 Chemel Ab Kalibrerbar genomflödesdetektor
US9221963B2 (en) * 2008-11-27 2015-12-29 Speciality Fibres And Materials Ltd. Absorbent material
US20150300101A1 (en) 2014-04-22 2015-10-22 Ronald C. PARSONS and Denise M. PARSONS, trustees under the Ronald C. PARSONS and Denise M. I Expandable tubular thread protection
DE102015014699A1 (de) 2015-11-13 2017-05-18 Fresenius Medical Care Deutschland Gmbh Dialyselösung mit wenigstens einem Osmotikum
EP3490697A1 (en) * 2016-07-28 2019-06-05 Eastman Chemical Company Gas separation membranes comprising crosslinked cellulose esters
CN111013397B (zh) * 2019-11-21 2021-05-18 天津工业大学 一种植物多酚-聚丙烯酰吗啉复合改性血液透析膜及其制备方法与应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441142A (en) * 1966-07-21 1969-04-29 Dow Chemical Co Nonthrombogenic plastic membranes
US3792135A (en) * 1972-01-06 1974-02-12 Eastman Kodak Co Process for manufacturing cellulosic reverse osmosis membranes using a very high temperature initial aqueous quench
JPS5210670B2 (es) * 1973-05-16 1977-03-25
US4051040A (en) * 1976-03-17 1977-09-27 John L. Hutchinson Antithrombogenic hemo dialysis membranes
FR2380052A1 (fr) * 1977-02-11 1978-09-08 Akzo Nv Membrane de dialyse pour l'hemodialyse
DE2816086C3 (de) * 1978-04-13 1985-04-25 Sartorius GmbH, 3400 Göttingen Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosetriacetat
JPS5739855A (en) * 1980-08-21 1982-03-05 Toray Industries Cellulosic hollow yarn membrane
JPS5769860A (en) * 1980-10-20 1982-04-28 Asahi Chemical Ind Dialytic membrane consisting of cyanoethylated copper ammonia regenerated cellulose

Also Published As

Publication number Publication date
JPS61113459A (ja) 1986-05-31
EP0172437A3 (en) 1988-01-20
EP0172437B1 (de) 1989-09-06
JPH0626567B2 (ja) 1994-04-13
ES546200A0 (es) 1987-07-01
EP0172437A2 (de) 1986-02-26
US4668396A (en) 1987-05-26
DE3572771D1 (en) 1989-10-12

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20060206