GB2069925B - Plasmaphoresis membrane - Google Patents

Plasmaphoresis membrane

Info

Publication number
GB2069925B
GB2069925B GB8105455A GB8105455A GB2069925B GB 2069925 B GB2069925 B GB 2069925B GB 8105455 A GB8105455 A GB 8105455A GB 8105455 A GB8105455 A GB 8105455A GB 2069925 B GB2069925 B GB 2069925B
Authority
GB
United Kingdom
Prior art keywords
plasmaphoresis
membrane
plasmaphoresis membrane
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
GB8105455A
Other versions
GB2069925A (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
Application filed by Akzo NV filed Critical Akzo NV
Publication of GB2069925A publication Critical patent/GB2069925A/en
Application granted granted Critical
Publication of GB2069925B publication Critical patent/GB2069925B/en
Expired legal-status Critical Current

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)
GB8105455A 1980-02-23 1981-02-20 Plasmaphoresis membrane Expired GB2069925B (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
GB2069925A GB2069925A (en) 1981-09-03
GB2069925B true GB2069925B (en) 1983-08-10

Family

ID=6095424

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105455A Expired GB2069925B (en) 1980-02-23 1981-02-20 Plasmaphoresis membrane

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
SE8202743L (en) * 1982-04-30 1983-09-05 Gambro Dialysatoren Microporous hollow fibre membrane for plasmapheresis - by extruding soln. contg. polyether-polycarbonate block copolymer with centre liq. into gelling liq. which slowly forms solid hollow fibre.
JPS60806A (en) * 1983-06-17 1985-01-05 Teijin Ltd Manufacture of plasma albumin permeable hollow yarn membrane
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
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
DE3842822A1 (en) * 1988-12-20 1990-07-05 Akzo Gmbh BIOCOMPATIBLE DIALYSIS MEMBRANE FROM A MIXED POLYSACCHARIDESTER
EP0570826A1 (en) * 1992-05-20 1993-11-24 Akzo Nobel N.V. Cellulose acetate membrane
EP0574699A2 (en) * 1992-05-20 1993-12-22 Akzo Nobel N.V. Cellulose acetate dialysis 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
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
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
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
CH647419A5 (en) 1985-01-31
ATA82481A (en) 1986-02-15
ES499623A0 (en) 1981-12-16
LU83157A1 (en) 1981-06-05
ES8201432A1 (en) 1981-12-16
IT1170741B (en) 1987-06-03
NL8100701A (en) 1981-09-16
JPH035847B2 (en) 1991-01-28
JPS56134209A (en) 1981-10-20
DE3006880C2 (en) 1986-10-09
FR2476500B1 (en) 1988-11-25
BE887603A (en) 1981-06-15
CA1184716A (en) 1985-04-02
FR2476500A1 (en) 1981-08-28
DE3006880A1 (en) 1981-09-03
ES267109Y (en) 1983-08-16
AT381237B (en) 1986-09-10
SE8101127L (en) 1981-08-24
GB2069925A (en) 1981-09-03
ES267109U (en) 1983-02-16
IT8147856A0 (en) 1981-02-20

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Legal Events

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