IT7950416A0 - IMPROVEMENT IN CELLULOSE DIALYSIS MEMBRANES AND PREPARATION PROCEDURE - Google Patents

IMPROVEMENT IN CELLULOSE DIALYSIS MEMBRANES AND PREPARATION PROCEDURE

Info

Publication number
IT7950416A0
IT7950416A0 IT7950416A IT5041679A IT7950416A0 IT 7950416 A0 IT7950416 A0 IT 7950416A0 IT 7950416 A IT7950416 A IT 7950416A IT 5041679 A IT5041679 A IT 5041679A IT 7950416 A0 IT7950416 A0 IT 7950416A0
Authority
IT
Italy
Prior art keywords
improvement
preparation procedure
dialysis membranes
cellulose dialysis
cellulose
Prior art date
Application number
IT7950416A
Other languages
Italian (it)
Other versions
IT1164714B (en
Inventor
Henne Werner
Dunweg Gustav
Bandel Werner
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 DE19782842836 external-priority patent/DE2842836A1/en
Priority claimed from DE7829409U external-priority patent/DE7829409U1/en
Priority claimed from DE19782842958 external-priority patent/DE2842958A1/en
Priority claimed from DE2906576A external-priority patent/DE2906576C2/en
Application filed by Akzo Nv filed Critical Akzo Nv
Publication of IT7950416A0 publication Critical patent/IT7950416A0/en
Application granted granted Critical
Publication of IT1164714B publication Critical patent/IT1164714B/en

Links

Classifications

    • 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
    • B01D69/082—Hollow fibre membranes characterised by the cross-sectional shape of the fibre
    • 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
    • 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
IT50416/79A 1978-10-02 1979-10-01 PERFECTION IN CELLULOSE DIALYSIS MEMBRANES AND PREPARATION PROCEDURE IT1164714B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19782842836 DE2842836A1 (en) 1978-10-02 1978-10-02 Dialysis membrane comprising hollow cellulose fibre - with improved exchange surface in wavy form, mfd. from cuprammonium soln. of cellulose
DE7829409U DE7829409U1 (en) 1978-10-02 1978-10-02 Dialysis membrane hollow thread with a larger exchange surface
DE19782842958 DE2842958A1 (en) 1978-10-02 1978-10-02 Dialysis membrane comprising hollow cellulose fibre - with improved exchange surface in wavy form, mfd. from cuprammonium soln. of cellulose
DE7838339 1978-12-23
DE2906576A DE2906576C2 (en) 1978-10-02 1979-02-21 Method for spinning hollow filaments

Publications (2)

Publication Number Publication Date
IT7950416A0 true IT7950416A0 (en) 1979-10-01
IT1164714B IT1164714B (en) 1987-04-15

Family

ID=27510545

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50416/79A IT1164714B (en) 1978-10-02 1979-10-01 PERFECTION IN CELLULOSE DIALYSIS MEMBRANES AND PREPARATION PROCEDURE

Country Status (5)

Country Link
FR (1) FR2437858A1 (en)
GB (1) GB2033829B (en)
IT (1) IT1164714B (en)
LU (1) LU81736A1 (en)
NL (1) NL7907211A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1140712B (en) * 1979-03-12 1986-10-01 Extracorporeal Med Spec HOLLOW FIBERS WITH UNEQUAL SECTION
DE3301268A1 (en) * 1983-01-17 1984-07-26 Akzo Gmbh, 5600 Wuppertal METHOD AND DEVICE FOR PRODUCING HOLLOW BANDS
US4671809A (en) * 1984-06-05 1987-06-09 Nippon Steel Corporation Gas separation module
JPS6157204A (en) * 1984-08-27 1986-03-24 Terumo Corp Dialytic hollow yarn and its preparation
CA1272139C (en) * 1984-11-16 1990-07-31 Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers
EP0321447B1 (en) * 1984-11-16 1994-04-06 Teijin Limited Cellulose type hollow fibers
GB2524024A (en) * 2014-03-11 2015-09-16 Univ Dublin An aerated biofilm reactor fibre membrane

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD14882A (en) * 1957-05-06 1900-01-01
GB886313A (en) * 1958-02-27 1962-01-03 Inst Textiltechnologie Der Che A method of and apparatus for producing hollow threads, bands, tubes and the like from synthetic thermoplastic materials
US3605162A (en) * 1969-03-14 1971-09-20 Ind Brush Co Brush filament and construction therefor
US3888771A (en) * 1972-06-02 1975-06-10 Asahi Chemical Ind Hollow fibers of cuprammonium cellulose and a process of the manufacture of same
GB1442754A (en) * 1972-06-28 1976-07-14 Nat Res Dev Apparatus for and method of effecting heat or mass transfer berween fluids
IL52259A (en) * 1976-06-22 1981-02-27 Akzo Nv Dialysis membrane and its manufacture
FR2380052A1 (en) * 1977-02-11 1978-09-08 Akzo Nv DIALYSIS MEMBRANE FOR HEMODIALYSIS

Also Published As

Publication number Publication date
NL7907211A (en) 1980-04-08
GB2033829A (en) 1980-05-29
GB2033829B (en) 1982-12-08
IT1164714B (en) 1987-04-15
FR2437858B1 (en) 1983-11-04
FR2437858A1 (en) 1980-04-30
LU81736A1 (en) 1980-01-24

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