IT1164713B - IMPROVEMENT IN CELLULOSE DIALYSIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION - Google Patents

IMPROVEMENT IN CELLULOSE DIALYSIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION

Info

Publication number
IT1164713B
IT1164713B IT50415/79A IT5041579A IT1164713B IT 1164713 B IT1164713 B IT 1164713B IT 50415/79 A IT50415/79 A IT 50415/79A IT 5041579 A IT5041579 A IT 5041579A IT 1164713 B IT1164713 B IT 1164713B
Authority
IT
Italy
Prior art keywords
improvement
procedure
production
dialysis membranes
cellulose dialysis
Prior art date
Application number
IT50415/79A
Other languages
Italian (it)
Other versions
IT7950415A0 (en
Inventor
Werner Bandel
Werner Henne
Gustav Dunweg
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 IT7950415A0 publication Critical patent/IT7950415A0/en
Application granted granted Critical
Publication of IT1164713B publication Critical patent/IT1164713B/en

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)
IT50415/79A 1978-10-02 1979-10-01 IMPROVEMENT IN CELLULOSE DIALYSIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION IT1164713B (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
IT7950415A0 IT7950415A0 (en) 1979-10-01
IT1164713B true IT1164713B (en) 1987-04-15

Family

ID=27510546

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50415/79A IT1164713B (en) 1978-10-02 1979-10-01 IMPROVEMENT IN CELLULOSE DIALYSIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION

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
FR2437859B1 (en) 1988-04-29
FR2437859A1 (en) 1980-04-30
IT7950415A0 (en) 1979-10-01
NL7907212A (en) 1980-04-08
GB2032840A (en) 1980-05-14
LU81734A1 (en) 1980-01-24
GB2032840B (en) 1983-02-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960912