FR2254355B1 - - Google Patents
Info
- Publication number
- FR2254355B1 FR2254355B1 FR7440017A FR7440017A FR2254355B1 FR 2254355 B1 FR2254355 B1 FR 2254355B1 FR 7440017 A FR7440017 A FR 7440017A FR 7440017 A FR7440017 A FR 7440017A FR 2254355 B1 FR2254355 B1 FR 2254355B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48141465A JPS5090579A (US07714131-20100511-C00001.png) | 1973-12-12 | 1973-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2254355A1 FR2254355A1 (en) | 1975-07-11 |
FR2254355B1 true FR2254355B1 (US07714131-20100511-C00001.png) | 1981-05-29 |
Family
ID=15292503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7440017A Granted FR2254355A1 (en) | 1973-12-12 | 1974-12-06 | Dryable (co)polyacrylonitrile membrane with reversible properties - by water immersion, for reverse osmosis and ultrafiltration |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5090579A (US07714131-20100511-C00001.png) |
FR (1) | FR2254355A1 (US07714131-20100511-C00001.png) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5315272A (en) * | 1976-07-28 | 1978-02-10 | Sumitomo Chem Co Ltd | Bonding method for semipermeable membranes made of acrylonitrile copolymer |
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 |
JPS5336643A (en) * | 1976-09-17 | 1978-04-05 | Fujikura Ltd | Method of producing battery separator |
DE2741486C3 (de) * | 1976-09-17 | 1982-01-21 | Idemitsu Kosan Co., Ltd., Tokyo | Trennmembran |
DE2833623A1 (de) * | 1978-07-31 | 1980-03-13 | Akzo Gmbh | Folien |
JPS5581706A (en) * | 1978-12-15 | 1980-06-20 | Sumitomo Chem Co Ltd | Preparation of semi-permeable membrane |
JP3171947B2 (ja) * | 1991-09-03 | 2001-06-04 | ダイセル化学工業株式会社 | ポリアクリロニトリル共重合体選択透過膜およびその製造方法 |
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1973
- 1973-12-12 JP JP48141465A patent/JPS5090579A/ja active Pending
-
1974
- 1974-12-06 FR FR7440017A patent/FR2254355A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5090579A (US07714131-20100511-C00001.png) | 1975-07-19 |
FR2254355A1 (en) | 1975-07-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |