IT1170741B - IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION - Google Patents

IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION

Info

Publication number
IT1170741B
IT1170741B IT47856/81A IT4785681A IT1170741B IT 1170741 B IT1170741 B IT 1170741B IT 47856/81 A IT47856/81 A IT 47856/81A IT 4785681 A IT4785681 A IT 4785681A IT 1170741 B IT1170741 B IT 1170741B
Authority
IT
Italy
Prior art keywords
plasmaferesis
membranes
improvement
procedure
production
Prior art date
Application number
IT47856/81A
Other languages
Italian (it)
Other versions
IT8147856A0 (en
Inventor
Werner Bandel
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
Application filed by Akzo Nv filed Critical Akzo Nv
Publication of IT8147856A0 publication Critical patent/IT8147856A0/en
Application granted granted Critical
Publication of IT1170741B publication Critical patent/IT1170741B/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
    • B01D69/04—Tubular membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • B01D69/06—Flat 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
    • 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
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • 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
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT47856/81A 1980-02-23 1981-02-20 IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION IT1170741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3006880A DE3006880C2 (en) 1980-02-23 1980-02-23 Plasmaphoresis membrane

Publications (2)

Publication Number Publication Date
IT8147856A0 IT8147856A0 (en) 1981-02-20
IT1170741B true IT1170741B (en) 1987-06-03

Family

ID=6095424

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47856/81A IT1170741B (en) 1980-02-23 1981-02-20 IMPROVEMENT IN PLASMAFERESIS MEMBRANES AND PROCEDURE FOR THEIR PRODUCTION

Country Status (13)

Country Link
JP (1) JPS56134209A (en)
AT (1) AT381237B (en)
BE (1) BE887603A (en)
CA (1) CA1184716A (en)
CH (1) CH647419A5 (en)
DE (1) DE3006880C2 (en)
ES (2) ES267109Y (en)
FR (1) FR2476500B1 (en)
GB (1) GB2069925B (en)
IT (1) IT1170741B (en)
LU (1) LU83157A1 (en)
NL (1) NL8100701A (en)
SE (1) SE8101127L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042110A1 (en) * 1980-11-07 1982-06-16 Akzo Gmbh, 5600 Wuppertal MICROPOROUS CELLULOSE MEMBRANE
SE429441B (en) * 1982-04-30 1983-09-05 Gambro Dialysatoren MICROPOROST HALFIBERMENBRAN FOR PLASMAFERES, AS WELL AS MANUFACTURING THE MEMBRANE
JPS60806A (en) * 1983-06-17 1985-01-05 Teijin Ltd Manufacture of plasma albumin permeable hollow yarn membrane
JPS61106168A (en) * 1984-10-30 1986-05-24 帝人株式会社 Permselective hollow yarn membrane, its production and serum component separator using the same
JPS61293469A (en) * 1985-06-21 1986-12-24 帝人株式会社 Permselective hollow yarn membrane and serum component separator using the same
DE3842822A1 (en) * 1988-12-20 1990-07-05 Akzo Gmbh BIOCOMPATIBLE DIALYSIS MEMBRANE FROM A MIXED POLYSACCHARIDESTER
EP0574699A2 (en) * 1992-05-20 1993-12-22 Akzo Nobel N.V. Cellulose acetate dialysis membrane
EP0570826A1 (en) * 1992-05-20 1993-11-24 Akzo Nobel N.V. Cellulose acetate membrane

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
US3724672A (en) * 1970-07-27 1973-04-03 R Leonard Asymmetric hollow fiber membranes and method of fabrication
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
JPS6028522B2 (en) * 1975-03-27 1985-07-05 ダイセル化学工業株式会社 Manufacturing method of hollow fiber for separation
JPS5255719A (en) * 1975-10-31 1977-05-07 Daicel Chem Ind Ltd Hollow fibers having selective gas permeability and production thereof
JPS5289574A (en) * 1976-01-23 1977-07-27 Daicel Chem Ind Ltd Production of hollow filament used for separation
US4127625A (en) * 1975-03-27 1978-11-28 Daicel Ltd. Process for preparing hollow fiber having selective gas permeability
GB1566581A (en) * 1975-12-29 1980-05-08 Nippon Zeon Co Hollow fibres and methods of manufacturing such fibres
FR2410501A1 (en) * 1976-11-15 1979-06-29 Monsanto Co MULTI-COMPONENT MEMBRANES FOR GAS SEPARATIONS
JPS546916A (en) * 1977-06-20 1979-01-19 Asahi Chem Ind Co Ltd Hollow cellulose fibers and their production
JPS5411322A (en) * 1977-06-29 1979-01-27 Asahi Chem Ind Co Ltd Hollow cellulose fibers and their production

Also Published As

Publication number Publication date
GB2069925A (en) 1981-09-03
ES499623A0 (en) 1981-12-16
ES267109Y (en) 1983-08-16
JPS56134209A (en) 1981-10-20
IT8147856A0 (en) 1981-02-20
ES267109U (en) 1983-02-16
ES8201432A1 (en) 1981-12-16
NL8100701A (en) 1981-09-16
ATA82481A (en) 1986-02-15
DE3006880C2 (en) 1986-10-09
DE3006880A1 (en) 1981-09-03
SE8101127L (en) 1981-08-24
FR2476500A1 (en) 1981-08-28
AT381237B (en) 1986-09-10
BE887603A (en) 1981-06-15
CA1184716A (en) 1985-04-02
GB2069925B (en) 1983-08-10
FR2476500B1 (en) 1988-11-25
CH647419A5 (en) 1985-01-31
JPH035847B2 (en) 1991-01-28
LU83157A1 (en) 1981-06-05

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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: 19960124