DK162182A - PROCEDURE FOR MANUFACTURING A SEMIPERMEABLE MEMBRANE - Google Patents

PROCEDURE FOR MANUFACTURING A SEMIPERMEABLE MEMBRANE Download PDF

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Publication number
DK162182A
DK162182A DK162182A DK162182A DK162182A DK 162182 A DK162182 A DK 162182A DK 162182 A DK162182 A DK 162182A DK 162182 A DK162182 A DK 162182A DK 162182 A DK162182 A DK 162182A
Authority
DK
Denmark
Prior art keywords
procedure
manufacturing
semipermeable membrane
semipermeable
membrane
Prior art date
Application number
DK162182A
Other languages
Danish (da)
Inventor
A D Dimov
S P Petrov
Original Assignee
Slatarov Vhti Prof Dr As
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 Slatarov Vhti Prof Dr As filed Critical Slatarov Vhti Prof Dr As
Publication of DK162182A publication Critical patent/DK162182A/en

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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)
DK162182A 1981-04-20 1982-04-07 PROCEDURE FOR MANUFACTURING A SEMIPERMEABLE MEMBRANE DK162182A (en)

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
DK162182A true DK162182A (en) 1982-10-21

Family

ID=3908970

Family Applications (1)

Application Number Title Priority Date Filing Date
DK162182A DK162182A (en) 1981-04-20 1982-04-07 PROCEDURE FOR MANUFACTURING A SEMIPERMEABLE MEMBRANE

Country Status (11)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656234B1 (en) * 1989-12-22 1992-03-20 Hospal Ind SEMI-PERMEABLE ASYMMETRICAL MEMBRANE FOR THE TREATMENT OF BIOLOGICAL LIQUIDS.
EP0547471B1 (en) * 1991-12-14 1997-03-12 Akzo Nobel N.V. Polyacrylnitrile membrane
EP0636404B1 (en) * 1993-07-30 1998-01-14 Bayer Ag Membranes made from acrylonitrile copolymers, process for their manufacture and their use

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 (en) * 1970-09-09 1972-04-28 Rhone Poulenc Sa
FR2312278A2 (en) * 1975-05-30 1976-12-24 Rhone Poulenc Ind MEMBRANES
JPS5856378B2 (en) * 1976-09-08 1983-12-14 旭化成株式会社 Acrylonitrile polymer dry membrane and its manufacturing method
DD134448A1 (en) * 1977-10-27 1979-02-28 Volker Groebe METHOD FOR PRODUCING MEMBRANES FROM ACRYLIC NITRILE POLYMERIZES
JPS5581706A (en) * 1978-12-15 1980-06-20 Sumitomo Chem Co Ltd Preparation of semi-permeable membrane
DE3035134A1 (en) * 1979-09-19 1981-04-09 Aligena AG, Basel POROESE, MODIFIED MEMBRANES BASED ON ULTRAFILTRATION ON THE BASIS OF POLYACRYLNITRILES, PROCESS FOR THEIR PRODUCTION AND THEIR USE

Also Published As

Publication number Publication date
GB2096941A (en) 1982-10-27
DE3214538A1 (en) 1983-04-14
PL134921B1 (en) 1985-09-30
BG33312A1 (en) 1983-01-14
PL236036A1 (en) 1982-11-22
CH658399A5 (en) 1986-11-14
GB2096941B (en) 1984-07-18
CS281482A1 (en) 1985-06-13
IT8248237A0 (en) 1982-04-16
HU189575B (en) 1986-07-28
NL8201617A (en) 1982-11-16
IT1186692B (en) 1987-12-04
FR2504022A1 (en) 1982-10-22
FR2504022B1 (en) 1988-05-20
CS248272B1 (en) 1987-02-12

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment
PBP Patent lapsed