FI824308L - Makroporoesa asymmetriska hydrofila membraner av syntetiska polymerer - Google Patents

Makroporoesa asymmetriska hydrofila membraner av syntetiska polymerer

Info

Publication number
FI824308L
FI824308L FI824308A FI824308A FI824308L FI 824308 L FI824308 L FI 824308L FI 824308 A FI824308 A FI 824308A FI 824308 A FI824308 A FI 824308A FI 824308 L FI824308 L FI 824308L
Authority
FI
Finland
Prior art keywords
membraner
macroporoesa
hydrofila
asymmetric
synthetic polymer
Prior art date
Application number
FI824308A
Other languages
English (en)
Other versions
FI72885B (fi
FI72885C (fi
FI824308A0 (fi
Inventor
Axel Walch
Juergen Wildhardt
Dieter Beissel
Original Assignee
Hoechst Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6148965&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI824308(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of FI824308A0 publication Critical patent/FI824308A0/fi
Publication of FI824308L publication Critical patent/FI824308L/fi
Publication of FI72885B publication Critical patent/FI72885B/fi
Application granted granted Critical
Publication of FI72885C publication Critical patent/FI72885C/fi

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/44Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
    • B01D71/441Polyvinylpyrrolidone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/56Polyamides, e.g. polyester-amides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/66Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68Polysulfones; Polyethersulfones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
    • C08L39/04Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C08L39/06Homopolymers or copolymers of N-vinyl-pyrrolidones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/12Specific ratios of components used
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/022Asymmetric membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/34Molecular weight or degree of polymerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/36Hydrophilic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
FI824308A 1981-12-17 1982-12-15 Asymmetrisk makroporoes membran pao basis av en syntetisk polymer. FI72885C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3149976 1981-12-17
DE19813149976 DE3149976A1 (de) 1981-12-17 1981-12-17 Makroporoese asymmetrische hydrophile membran aus synthetischem polymerisat

Publications (4)

Publication Number Publication Date
FI824308A0 FI824308A0 (fi) 1982-12-15
FI824308L true FI824308L (fi) 1983-06-18
FI72885B FI72885B (fi) 1987-04-30
FI72885C FI72885C (fi) 1987-08-10

Family

ID=6148965

Family Applications (1)

Application Number Title Priority Date Filing Date
FI824308A FI72885C (fi) 1981-12-17 1982-12-15 Asymmetrisk makroporoes membran pao basis av en syntetisk polymer.

Country Status (11)

Country Link
US (2) US4720343A (fi)
EP (1) EP0082433B2 (fi)
JP (1) JPS58104940A (fi)
AU (1) AU553450B2 (fi)
CA (1) CA1225806A (fi)
DE (2) DE3149976A1 (fi)
DK (1) DK155422C (fi)
ES (1) ES518248A0 (fi)
FI (1) FI72885C (fi)
NO (1) NO157049C (fi)
NZ (1) NZ202805A (fi)

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Also Published As

Publication number Publication date
FI72885B (fi) 1987-04-30
DK155422B (da) 1989-04-10
JPS58104940A (ja) 1983-06-22
ES8402509A1 (es) 1984-02-16
EP0082433B2 (de) 1996-01-24
AU9147482A (en) 1983-06-23
DK155422C (da) 1989-08-28
US5009824A (en) 1991-04-23
DE3149976A1 (de) 1983-06-30
EP0082433B1 (de) 1986-03-05
FI72885C (fi) 1987-08-10
FI824308A0 (fi) 1982-12-15
NO157049C (no) 1988-01-13
US4720343A (en) 1988-01-19
ES518248A0 (es) 1984-02-16
AU553450B2 (en) 1986-07-17
EP0082433A2 (de) 1983-06-29
JPH0218695B2 (fi) 1990-04-26
CA1225806A (en) 1987-08-25
EP0082433A3 (en) 1983-08-31
DE3269737D1 (en) 1986-04-10
NZ202805A (en) 1985-05-31
NO157049B (no) 1987-10-05
DK557882A (da) 1983-06-18
NO824236L (no) 1983-06-20

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