JPS4922497A - - Google Patents

Info

Publication number
JPS4922497A
JPS4922497A JP48045648A JP4564873A JPS4922497A JP S4922497 A JPS4922497 A JP S4922497A JP 48045648 A JP48045648 A JP 48045648A JP 4564873 A JP4564873 A JP 4564873A JP S4922497 A JPS4922497 A JP S4922497A
Authority
JP
Japan
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.)
Pending
Application number
JP48045648A
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 filed Critical
Publication of JPS4922497A publication Critical patent/JPS4922497A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0032—Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Graft Or Block Polymers (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP48045648A 1972-04-21 1973-04-21 Pending JPS4922497A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214293A FR2181215A5 (ja) 1972-04-21 1972-04-21

Publications (1)

Publication Number Publication Date
JPS4922497A true JPS4922497A (ja) 1974-02-27

Family

ID=9097341

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48045648A Pending JPS4922497A (ja) 1972-04-21 1973-04-21

Country Status (7)

Country Link
JP (1) JPS4922497A (ja)
CA (1) CA995173A (ja)
DE (1) DE2319101A1 (ja)
FR (1) FR2181215A5 (ja)
GB (1) GB1424046A (ja)
IL (1) IL42011A (ja)
IT (1) IT980868B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH618612A5 (en) * 1975-12-31 1980-08-15 Berthold Schilling Dialysis membrane, in particular for haemodialysis, and process for production thereof
EP0150288A3 (en) * 1984-01-16 1986-04-16 KMS Fusion, Inc. Hollow microspheres with wall through-openings
FR2597391B1 (fr) 1986-03-25 1989-02-24 Univ Catholique Louvain Procede de realisation de perforations dans un materiau solide en feuille, dispositif d'irradiation pour la mise en oeuvre du procede et materiau perfore ainsi obtenu
DE4305979C2 (de) * 1992-03-21 1994-12-08 Schwerionenforsch Gmbh Chemisches Ventil

Also Published As

Publication number Publication date
CA995173A (en) 1976-08-17
GB1424046A (en) 1976-02-04
IL42011A (en) 1976-12-31
IL42011A0 (en) 1973-06-29
IT980868B (it) 1974-10-10
FR2181215A5 (ja) 1973-11-30
DE2319101A1 (de) 1973-10-31

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