CS281482A1 - Zpusob vyroby polopropustne membrany - Google Patents

Zpusob vyroby polopropustne membrany

Info

Publication number: CS281482A1
Authority: CS; Czechoslovakia
Prior art keywords: polopropustne; membrany; zpusob vyroby; vyroby; zpusob
Prior art date: 1981-04-20

Application number

CS822814A

Other languages

Czech (cs)

Other versions

CS248272B1 (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.)

1981-04-20

Filing date

1982-04-20

Publication date

1985-06-13

1982-04-20 Application filed by Stojko P Petrov, Aristotel D Dimov filed Critical Stojko P Petrov

1985-06-13 Publication of CS281482A1 publication Critical patent/CS281482A1/en

1987-02-12 Publication of CS248272B1 publication Critical patent/CS248272B1/en

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 (en)	1981-04-20	1981-04-20	POLLUTION METHOD FOR POLUPRONICAEMA MEMBRANA

Publications (2)

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

1981
- 1981-04-20 BG BG8151745A patent/BG33312A1/en unknown
1982
- 1982-04-07 DK DK162182A patent/DK162182A/en not_active IP Right Cessation
- 1982-04-16 IT IT48237/82A patent/IT1186692B/en active
- 1982-04-19 FR FR8206667A patent/FR2504022B1/en not_active Expired
- 1982-04-19 PL PL1982236036A patent/PL134921B1/en unknown
- 1982-04-19 NL NL8201617A patent/NL8201617A/en not_active Application Discontinuation
- 1982-04-20 DE DE19823214538 patent/DE3214538A1/en not_active Withdrawn
- 1982-04-20 GB GB8211378A patent/GB2096941B/en not_active Expired
- 1982-04-20 HU HU821213A patent/HU189575B/en not_active IP Right Cessation
- 1982-04-20 CH CH2390/82A patent/CH658399A5/en not_active IP Right Cessation
- 1982-04-20 CS CS822814A patent/CS248272B1/en unknown

Also Published As

Publication number	Publication date
IT8248237A1 (en)	1983-10-16
IT1186692B (en)	1987-12-04
PL134921B1 (en)	1985-09-30
HU189575B (en)	1986-07-28
IT8248237A0 (en)	1982-04-16
CH658399A5 (en)	1986-11-14
CS248272B1 (en)	1987-02-12
GB2096941A (en)	1982-10-27
BG33312A1 (en)	1983-01-14
GB2096941B (en)	1984-07-18
FR2504022A1 (en)	1982-10-22
FR2504022B1 (en)	1988-05-20
NL8201617A (en)	1982-11-16
DK162182A (en)	1982-10-21
PL236036A1 (en)	1982-11-22
DE3214538A1 (en)	1983-04-14

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