ZA716024B - Semi-permeable membranes - Google Patents

Semi-permeable membranes

Info

Publication number
ZA716024B
ZA716024B ZA716024A ZA716024A ZA716024B ZA 716024 B ZA716024 B ZA 716024B ZA 716024 A ZA716024 A ZA 716024A ZA 716024 A ZA716024 A ZA 716024A ZA 716024 B ZA716024 B ZA 716024B
Authority
ZA
South Africa
Prior art keywords
semi
permeable membranes
membranes
permeable
Prior art date
Application number
ZA716024A
Other languages
English (en)
Inventor
X Marze
Original Assignee
Rhone Poulenc Sa
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 Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Publication of ZA716024B publication Critical patent/ZA716024B/xx

Links

Classifications

    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/14—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/142—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration
    • A23C9/1422—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration by ultrafiltration, microfiltration or diafiltration of milk, e.g. for separating protein and lactose; Treatment of the UF permeate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA716024A 1970-09-09 1971-09-08 Semi-permeable membranes ZA716024B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7032762A FR2105502A5 (ja) 1970-09-09 1970-09-09

Publications (1)

Publication Number Publication Date
ZA716024B true ZA716024B (en) 1972-05-31

Family

ID=9061092

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716024A ZA716024B (en) 1970-09-09 1971-09-08 Semi-permeable membranes

Country Status (20)

Country Link
US (1) US4545910A (ja)
JP (1) JPS5324911B1 (ja)
AT (3) AT323758B (ja)
BE (1) BE772361A (ja)
BR (1) BR7105888D0 (ja)
CA (1) CA972094A (ja)
CH (1) CH558195A (ja)
DE (1) DE2145183C3 (ja)
ES (1) ES394932A1 (ja)
FR (1) FR2105502A5 (ja)
GB (1) GB1327990A (ja)
HU (1) HU167516B (ja)
IE (1) IE35878B1 (ja)
IL (1) IL37669A (ja)
LU (1) LU63872A1 (ja)
NL (1) NL166857C (ja)
NO (1) NO131914C (ja)
SE (4) SE381471B (ja)
SU (1) SU795493A3 (ja)
ZA (1) ZA716024B (ja)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396091A (en) * 1971-02-18 1975-05-29 Babcock & Wilcox Ltd Semi-permeable membranes
FR2201110A1 (en) * 1972-09-28 1974-04-26 Rhone Poulenc Sa Ultra filtration of biological sludge - using a membrane of a copolymer of acrylonitrile and vinyl sulphonic acid treated with hot water
FR2202651A1 (en) * 1972-10-16 1974-05-10 Rhone Poulenc Sa Coffee concentrate prodn. - by blending concentrates from successive stages of ultrafiltration and inverse osmosis
US4025439A (en) * 1973-12-12 1977-05-24 Mitsubishi Rayon Co., Ltd. Dried semipermeable membrane and manufacture thereof
FR2312278A2 (fr) * 1975-05-30 1976-12-24 Rhone Poulenc Ind Membranes
JPS5226380A (en) * 1975-08-25 1977-02-26 Sumitomo Chem Co Ltd Method of making semipermeable membranes
DE2741486C3 (de) * 1976-09-17 1982-01-21 Idemitsu Kosan Co., Ltd., Tokyo Trennmembran
DE2704600C3 (de) * 1977-02-04 1988-05-26 Hoechst Ag, 6230 Frankfurt Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid
CH623746A5 (en) * 1977-03-21 1981-06-30 American Hospital Supply Corp Mass transfer apparatus with a semipermeable membrane
BG33312A1 (en) * 1981-04-20 1983-01-14 Dimov Method for obtaining of semi- transparent membrane
EP0079307B1 (de) * 1981-11-06 1985-08-21 Ciba-Geigy Ag Verwendung von lichtvernetzbaren Copolymeren zur Herstellung von semipermeablen Membranen
EP0147570B1 (en) * 1983-11-30 1990-11-14 American Cyanamid Company Process for the manufacture of asymmetric, porous membranes and product thereof
US4906375A (en) * 1984-07-14 1990-03-06 Fresenius, Ag Asymmetrical microporous hollow fiber for hemodialysis
US4885092A (en) * 1986-03-24 1989-12-05 American Cyanamid Process for the manufacture of asymmetric, porous membranes and product thereof
US4828705A (en) * 1986-10-31 1989-05-09 Kingston Technologies, Inc. Pressure-dependent anisotropic-transport membrane system
FR2607393B1 (fr) * 1986-11-28 1997-01-24 Hospal Ind Rein artificiel a taux d'echanges moderes
FR2663546B1 (fr) * 1990-06-25 1995-05-12 Hospal Ind Materiau composite hemocompatible.
US5039420A (en) * 1990-08-16 1991-08-13 Elias Klein Hydrophilic semipermeable membranes based on copolymers of acrylonitrile and hydroxyalkyl esters of (meth) acrylic acid
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
DE59208178D1 (de) * 1991-12-14 1997-04-17 Akzo Nobel Nv Polyacrylnitrilmembran
DE4230077A1 (de) * 1992-09-09 1994-03-10 Akzo Nv Polysulfonmembran und Verfahren zu deren Herstellung
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
DE4325650C1 (de) * 1993-07-30 1994-09-22 Bayer Ag Membranen aus Acrylnitril-Copolymeren, Verfahren zu ihrer Herstellung und ihre Verwendung
FR2721217B1 (fr) 1994-06-20 1996-08-02 Hospal Ind Dispositif multifonction pour le traitement du sang.
FR2726567B1 (fr) 1994-11-03 1996-12-20 Hospal Ind Utilisation de la polyethyleneimine comme promoteur d'adhesion d'une composition adhesive de polyurethane
DE19514540A1 (de) * 1995-04-20 1996-10-24 Gambro Dialysatoren Mit Hitze sterilisierbare Membran
US5603656A (en) * 1995-09-11 1997-02-18 Zomeworks Corporation Passive ventilation device and method
FR2747591B1 (fr) * 1996-04-19 1998-05-22 Hospal Ind Appareil medical pour le traitement extracorporel du sang ou du plasma et procedes de fabrication de cet appareil
FR2758394B1 (fr) * 1997-01-14 1999-03-19 Hospal Ind Moyens pour la bio-epuration specifique d'un fluide biologique
FR2772639B1 (fr) * 1997-12-24 2000-02-04 Hospal Ind Utilisation d'un polymere neutre ou cationique pour prevenir l'activation de la phase contact du sang ou du plasma en contact avec une membrane semi-permeable
US6357512B1 (en) 2000-07-26 2002-03-19 Zomeworks Passive heating and cooling system
DE102013223126A1 (de) * 2013-11-13 2015-05-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von lösemittelstabilen Polymermembranen, Polymermembran sowie Lösung zur Herstellung einer Polymermembran

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247133A (en) * 1956-06-18 1966-04-19 American Mach & Foundry Method of forming graft copolymer ion exchange membranes
US3227510A (en) * 1958-03-04 1966-01-04 Tee Pak Inc Dyeing substrates ionically binding in localized areas catalysts for the predyeing olefin polymerization thereon
US3129273A (en) * 1961-12-11 1964-04-14 Dow Chemical Co Process of producing non-fibrillating acrylonitrile polymer filaments
US3376168A (en) * 1962-08-02 1968-04-02 Yardney International Corp Metal-containing graft-polymerized product and method of making same
GB1236597A (en) * 1968-03-20 1971-06-23 Nat Res Dev Semi-permeable membranes and acrylonitrile copolymers for the production thereof
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US3647086A (en) * 1969-07-09 1972-03-07 Tokuyama Soda Kk Cation exchange membrane and method of making same
US3648754A (en) * 1969-07-28 1972-03-14 Hugo H Sephton Vortex flow process and apparatus for enhancing interfacial surface and heat and mass transfer
US3592672A (en) * 1969-12-22 1971-07-13 Eastman Kodak Co Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation
US3750735A (en) * 1970-06-16 1973-08-07 Monsanto Co Removal of water from liquid mixtures containing formaldehyde using a porous polymeric membrane

Also Published As

Publication number Publication date
AT318656B (de) 1974-11-11
SE434913B (sv) 1984-08-27
ES394932A1 (es) 1974-12-01
CH558195A (de) 1975-01-31
IL37669A0 (en) 1971-11-29
IE35878B1 (en) 1976-06-23
IL37669A (en) 1974-05-16
NO131914B (ja) 1975-05-20
FR2105502A5 (ja) 1972-04-28
SU795493A3 (ru) 1981-01-07
BE772361A (fr) 1972-03-08
AT323758B (de) 1975-07-25
DE2145183B2 (de) 1974-08-01
GB1327990A (en) 1973-08-22
DE2145183A1 (de) 1972-03-23
AU3332171A (en) 1973-03-15
SE381471B (sv) 1975-12-08
NL166857C (nl) 1981-10-15
CA972094A (en) 1975-07-29
AT321248B (de) 1975-03-25
SE7501222L (ja) 1975-02-04
JPS5324911B1 (ja) 1978-07-24
SE7709329L (sv) 1977-08-18
SE7501221L (ja) 1975-02-04
US4545910A (en) 1985-10-08
SE401322B (sv) 1978-05-02
HU167516B (ja) 1975-10-28
DE2145183C3 (de) 1975-04-24
IE35878L (en) 1972-03-09
NO131914C (ja) 1975-08-27
LU63872A1 (ja) 1972-06-27
NL7112031A (ja) 1972-03-13
NL166857B (nl) 1981-05-15
BR7105888D0 (pt) 1973-04-19

Similar Documents

Publication Publication Date Title
ZA716024B (en) Semi-permeable membranes
JPS5539287A (en) Osmotic membrane
ZA716383B (en) Permeation separation element
IL43199A0 (en) Ultrafiltration membranes
AU5565173A (en) Anti-evasion system anti-evasion system
BE802580A (fr) Membranes semi-permeables
IL31714A0 (en) Preparation of semi-permeable membranes
IL36606A (en) Semi-permeable membrane,its preparation and use
AU5106573A (en) An asymmetric membrane
IL42661A0 (en) Structural element
IL41164A0 (en) Reverse osmosis membranes
IL38995A0 (en) Semi-permeable membrane apparatus
BE771070A (fr) Membranes microporeuses
IL31713A0 (en) Preparation of semi-permeable membranes
IL36240A (en) Clamping means
CS29873A2 (en) Konvergencni system barevne obrazovky
IL34967A0 (en) Membrane forming
ZA703974B (en) Reverse osmosis membranes
ZA718065B (en) Improvements relating to microporous membranes
AU440571B2 (en) Semipermeable membranes
ZA732222B (en) Structural element or part thereof
ZA71160B (en) A membrane assembly for reverse osmosis apparatus
CA930126A (en) Preparing reverse osmosis membranes
AU440411B2 (en) Reverse osmosis membranes
AU1744470A (en) Reverse osmosis membranes