BG33312A1 - Method for obtaining of semi- transparent membrane - Google Patents

Method for obtaining of semi- transparent membrane

Info

Publication number
BG33312A1
BG33312A1 BG8151745A BG5174581A BG33312A1 BG 33312 A1 BG33312 A1 BG 33312A1 BG 8151745 A BG8151745 A BG 8151745A BG 5174581 A BG5174581 A BG 5174581A BG 33312 A1 BG33312 A1 BG 33312A1
Authority
BG
Bulgaria
Prior art keywords
semi
obtaining
transparent membrane
membrane
transparent
Prior art date
Application number
BG8151745A
Other languages
Bulgarian (bg)
English (en)
Inventor
Dimov
Petrov
Original Assignee
Dimov
Petrov
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 Dimov, Petrov filed Critical Dimov
Priority to BG8151745A priority Critical patent/BG33312A1/xx
Priority to DK162182A priority patent/DK162182A/da
Priority to IT48237/82A priority patent/IT1186692B/it
Priority to NL8201617A priority patent/NL8201617A/nl
Priority to FR8206667A priority patent/FR2504022B1/fr
Priority to PL1982236036A priority patent/PL134921B1/pl
Priority to DE19823214538 priority patent/DE3214538A1/de
Priority to CS822814A priority patent/CS248272B1/cs
Priority to HU821213A priority patent/HU189575B/hu
Priority to CH2390/82A priority patent/CH658399A5/de
Priority to GB8211378A priority patent/GB2096941B/en
Priority to DD23927282A priority patent/DD240481A3/de
Publication of BG33312A1 publication Critical patent/BG33312A1/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
    • B01D71/421—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Biochemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BG8151745A 1981-04-20 1981-04-20 Method for obtaining of semi- transparent membrane BG33312A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
BG8151745A BG33312A1 (en) 1981-04-20 1981-04-20 Method for obtaining of semi- transparent membrane
DK162182A DK162182A (da) 1981-04-20 1982-04-07 Fremgangsmaade til fremstilling af en semipermeabel membran
IT48237/82A IT1186692B (it) 1981-04-20 1982-04-16 Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico
NL8201617A NL8201617A (nl) 1981-04-20 1982-04-19 Werkwijze voor de vervaardiging van een semi-permeabel membraan.
FR8206667A FR2504022B1 (fr) 1981-04-20 1982-04-19 Procede de preparation d'une membrane semi-permeable
PL1982236036A PL134921B1 (en) 1981-04-20 1982-04-19 Method of making semipermeable membranes
DE19823214538 DE3214538A1 (de) 1981-04-20 1982-04-20 Verfahren zur herstellung semipermeabler membranen
CS822814A CS248272B1 (en) 1981-04-20 1982-04-20 Method of semi-permeable membrane production
HU821213A HU189575B (en) 1981-04-20 1982-04-20 Process for producing semipermeable membranes
CH2390/82A CH658399A5 (de) 1981-04-20 1982-04-20 Verfahren zur herstellung semipermeabler membranen.
GB8211378A GB2096941B (en) 1981-04-20 1982-04-20 Semi-permeable membrane
DD23927282A DD240481A3 (de) 1981-04-20 1982-04-26 Verfahren zur herstellung semipermeabler membranen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG8151745A BG33312A1 (en) 1981-04-20 1981-04-20 Method for obtaining of semi- transparent membrane

Publications (1)

Publication Number Publication Date
BG33312A1 true BG33312A1 (en) 1983-01-14

Family

ID=3908970

Family Applications (1)

Application Number Title Priority Date Filing Date
BG8151745A BG33312A1 (en) 1981-04-20 1981-04-20 Method for obtaining of semi- transparent membrane

Country Status (11)

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

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.
EP0547471B1 (de) * 1991-12-14 1997-03-12 Akzo Nobel N.V. 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 (it) * 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
CH658399A5 (de) 1986-11-14
FR2504022B1 (fr) 1988-05-20
GB2096941B (en) 1984-07-18
IT1186692B (it) 1987-12-04
FR2504022A1 (fr) 1982-10-22
NL8201617A (nl) 1982-11-16
IT8248237A0 (it) 1982-04-16
CS248272B1 (en) 1987-02-12
PL134921B1 (en) 1985-09-30
DK162182A (da) 1982-10-21
DE3214538A1 (de) 1983-04-14
GB2096941A (en) 1982-10-27
CS281482A1 (en) 1985-06-13
HU189575B (en) 1986-07-28
PL236036A1 (it) 1982-11-22

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