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GB2032840B - Hollow fibre forming a dialysis membrane with exchange surfaces - Google Patents

Hollow fibre forming a dialysis membrane with exchange surfaces

Info

Publication number
GB2032840B
GB2032840B GB7934085A GB7934085A GB2032840B GB 2032840 B GB2032840 B GB 2032840B GB 7934085 A GB7934085 A GB 7934085A GB 7934085 A GB7934085 A GB 7934085A GB 2032840 B GB2032840 B GB 2032840B
Authority
GB
United Kingdom
Prior art keywords
dialysis membrane
hollow fibre
exchange surfaces
fibre forming
forming
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
GB7934085A
Other versions
GB2032840A (en
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 DE7829409U external-priority patent/DE7829409U1/en
Priority claimed from DE19782842957 external-priority patent/DE2842957A1/en
Priority claimed from DE2848601A external-priority patent/DE2848601C2/en
Priority claimed from DE2906576A external-priority patent/DE2906576C2/en
Application filed by Akzo NV filed Critical Akzo NV
Publication of GB2032840A publication Critical patent/GB2032840A/en
Application granted granted Critical
Publication of GB2032840B publication Critical patent/GB2032840B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • D01D5/20—Formation of filaments, threads, or the like with varying denier along their length

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB7934085A 1978-10-02 1979-10-02 Hollow fibre forming a dialysis membrane with exchange surfaces Expired GB2032840B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE7829409U DE7829409U1 (en) 1978-10-02 1978-10-02 Dialysis membrane hollow thread with a larger exchange surface
DE19782842957 DE2842957A1 (en) 1978-10-02 1978-10-02 Dialysis membrane comprising hollow cellulose fibre - with improved exchange surface, extruded from cuprammonium soln. of cellulose
DE2848601A DE2848601C2 (en) 1978-10-02 1978-11-09 Dialysis membrane hollow thread with stabilized wall thickness
DE7838339 1978-12-23
DE2906576A DE2906576C2 (en) 1978-10-02 1979-02-21 Method for spinning hollow filaments

Publications (2)

Publication Number Publication Date
GB2032840A GB2032840A (en) 1980-05-14
GB2032840B true GB2032840B (en) 1983-02-16

Family

ID=27510546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7934085A Expired GB2032840B (en) 1978-10-02 1979-10-02 Hollow fibre forming a dialysis membrane with exchange surfaces

Country Status (5)

Country Link
FR (1) FR2437859B1 (en)
GB (1) GB2032840B (en)
IT (1) IT1164713B (en)
LU (1) LU81734A1 (en)
NL (1) NL7907212A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3049247A1 (en) * 1980-12-27 1982-07-29 Akzo Gmbh, 5600 Wuppertal DIALYSIS MEMBRANE FILM

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999296A (en) * 1957-03-25 1961-09-12 Du Pont Novel filaments and fabrics
US3772137A (en) * 1968-09-30 1973-11-13 Du Pont Polyester pillow batt
US3888771A (en) * 1972-06-02 1975-06-10 Asahi Chemical Ind Hollow fibers of cuprammonium cellulose and a process of the manufacture of same
GB1481064A (en) * 1973-08-30 1977-07-27 Teijin Ltd Membrane apparatus for treating fluids
GB1566581A (en) * 1975-12-29 1980-05-08 Nippon Zeon Co Hollow fibres and methods of manufacturing such fibres
US4086418A (en) * 1976-02-27 1978-04-25 International Telephone And Telegraph Corporation Process for producing a regenerated hollow cellulosic fiber
IL52259A (en) * 1976-06-22 1981-02-27 Akzo Nv Dialysis membrane and its manufacture
DE2705734C3 (en) * 1977-02-11 1982-04-22 Akzo Gmbh, 5600 Wuppertal Dialysis membrane for hemodialysis
FR2380052A1 (en) * 1977-02-11 1978-09-08 Akzo Nv DIALYSIS MEMBRANE FOR HEMODIALYSIS
DE2705733C2 (en) * 1977-02-11 1982-07-22 Akzo Gmbh, 5600 Wuppertal Dialysis membrane for hemodialysis
DE2705735C3 (en) * 1977-02-11 1982-05-19 Akzo Gmbh, 5600 Wuppertal Dialysis membrane for hemodialysis

Also Published As

Publication number Publication date
IT1164713B (en) 1987-04-15
FR2437859B1 (en) 1988-04-29
NL7907212A (en) 1980-04-08
IT7950415A0 (en) 1979-10-01
FR2437859A1 (en) 1980-04-30
GB2032840A (en) 1980-05-14
LU81734A1 (en) 1980-01-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee