CS248272B1 - Method of semi-permeable membrane production - Google Patents

Method of semi-permeable membrane production Download PDF

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Publication number
CS248272B1
CS248272B1 CS822814A CS281482A CS248272B1 CS 248272 B1 CS248272 B1 CS 248272B1 CS 822814 A CS822814 A CS 822814A CS 281482 A CS281482 A CS 281482A CS 248272 B1 CS248272 B1 CS 248272B1
Authority
CS
Czechoslovakia
Prior art keywords
semi
permeable membrane
membrane
acrylonitrile
nph
Prior art date
Application number
CS822814A
Other languages
Czech (cs)
English (en)
Other versions
CS281482A1 (en
Inventor
Stojko P Petrov
Aristotel D Dimov
Original Assignee
Stojko P Petrov
Aristotel D Dimov
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 Stojko P Petrov, Aristotel D Dimov filed Critical Stojko P Petrov
Publication of CS281482A1 publication Critical patent/CS281482A1/cs
Publication of CS248272B1 publication Critical patent/CS248272B1/cs

Links

Classifications

    • 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; PREPARATION 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00—Working-up of proteins for foodstuffs
    • 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
    • B01D71/421—Polyacrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Biochemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CS822814A 1981-04-20 1982-04-20 Method of semi-permeable membrane production CS248272B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG8151745A BG33312A1 (bg) 1981-04-20 1981-04-20 Metod za poluchavane na polupronicaema membrana

Publications (2)

Publication Number Publication Date
CS281482A1 CS281482A1 (en) 1985-06-13
CS248272B1 true CS248272B1 (en) 1987-02-12

Family

ID=3908970

Family Applications (1)

Application Number Title Priority Date Filing Date
CS822814A CS248272B1 (en) 1981-04-20 1982-04-20 Method of semi-permeable membrane production

Country Status (11)

Country Link
BG (1) BG33312A1 (da)
CH (1) CH658399A5 (da)
CS (1) CS248272B1 (da)
DE (1) DE3214538A1 (da)
DK (1) DK162182A (da)
FR (1) FR2504022B1 (da)
GB (1) GB2096941B (da)
HU (1) HU189575B (da)
IT (1) IT1186692B (da)
NL (1) NL8201617A (da)
PL (1) PL134921B1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656234B1 (fr) * 1989-12-22 1992-03-20 Hospal Ind Membrane semi-permeable asymetrique pour le traitement des liquides biologiques.
DE59208178D1 (de) * 1991-12-14 1997-04-17 Akzo Nobel Nv Polyacrylnitrilmembran
ES2111214T3 (es) * 1993-07-30 1998-03-01 Bayer Ag Membranas a partir de copolimeros de acrilonitrilo, procedimiento para su obtencion y su empleo.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772250A (en) * 1954-06-14 1956-11-27 Monsanto Chemicals Acrylonitrile polymers stabilized with salts of vinyl sulfonic acid
FR2105502A5 (da) * 1970-09-09 1972-04-28 Rhone Poulenc Sa
FR2312278A2 (fr) * 1975-05-30 1976-12-24 Rhone Poulenc Ind Membranes
JPS5856378B2 (ja) * 1976-09-08 1983-12-14 旭化成株式会社 アクリロニトリル系重合体乾燥膜およびその製造法
DD134448A1 (de) * 1977-10-27 1979-02-28 Volker Groebe Verfahren zur herstellung von membranen aus acrylnitrilpolymerisaten
JPS5581706A (en) * 1978-12-15 1980-06-20 Sumitomo Chem Co Ltd Preparation of semi-permeable membrane
DE3035134A1 (de) * 1979-09-19 1981-04-09 Aligena AG, Basel Poroese, modifizierte, fuer die ultrafiltration geeignete membranen auf der basis von polyacrylnitrilen, verfahren zu ihrer herstellung und ihre verwendung

Also Published As

Publication number Publication date
CS281482A1 (en) 1985-06-13
GB2096941A (en) 1982-10-27
BG33312A1 (bg) 1983-01-14
NL8201617A (nl) 1982-11-16
IT1186692B (it) 1987-12-04
DK162182A (da) 1982-10-21
HU189575B (en) 1986-07-28
FR2504022B1 (fr) 1988-05-20
PL236036A1 (da) 1982-11-22
PL134921B1 (en) 1985-09-30
IT8248237A0 (it) 1982-04-16
CH658399A5 (de) 1986-11-14
DE3214538A1 (de) 1983-04-14
FR2504022A1 (fr) 1982-10-22
GB2096941B (en) 1984-07-18
IT8248237A1 (it) 1983-10-16

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