FR2125586A1 - - Google Patents
Info
- Publication number
- FR2125586A1 FR2125586A1 FR7205500A FR7205500A FR2125586A1 FR 2125586 A1 FR2125586 A1 FR 2125586A1 FR 7205500 A FR7205500 A FR 7205500A FR 7205500 A FR7205500 A FR 7205500A FR 2125586 A1 FR2125586 A1 FR 2125586A1
- 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.)
- Granted
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
- B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
-
- 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
- B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
-
- 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
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB489771A GB1396091A (en) | 1971-02-18 | 1971-02-18 | Semi-permeable membranes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2125586A1 true FR2125586A1 (en) | 1972-09-29 |
FR2125586B1 FR2125586B1 (en) | 1977-09-02 |
Family
ID=9785936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7205500A Expired FR2125586B1 (en) | 1971-02-18 | 1972-02-18 |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH577837A5 (en) |
DE (1) | DE2207656A1 (en) |
FR (1) | FR2125586B1 (en) |
GB (1) | GB1396091A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2638016A1 (en) * | 1975-09-11 | 1977-07-28 | Fiat Spa | REVERSE OSMOSIS MEMBRANE AND METHOD OF MANUFACTURING IT |
FR2452949A1 (en) * | 1979-04-06 | 1980-10-31 | Daicel Chem | METHOD FOR MANUFACTURING A SEMI-PERMEABLE MEMBRANE HAVING SELECTIVE PERMEABILITY AND CONTAINER FOR USE IN AN ARTIFICIAL KIDNEY |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2130069A (en) * | 1982-08-06 | 1984-05-31 | Foremost Mckesson | Whey treatment process and product |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH362056A (en) * | 1958-10-15 | 1962-05-31 | Alexander Prof Dr Goetz | Method and apparatus for making microporous filter films |
CH407949A (en) * | 1960-03-16 | 1966-02-28 | Membranfiltergesellschaft Gmbh | Method and device for the production of membrane filters |
FR1426548A (en) * | 1964-03-25 | 1966-04-15 | Univ California | Desalting membrane |
FR1584659A (en) * | 1967-09-21 | 1969-12-26 | ||
FR2096358A5 (en) * | 1970-06-16 | 1972-02-11 | Monsanto Co | |
FR2096357A5 (en) * | 1970-06-16 | 1972-02-11 | Monsanto Co | |
FR2105502A5 (en) * | 1970-09-09 | 1972-04-28 | Rhone Poulenc Sa | |
US3666508A (en) * | 1968-05-22 | 1972-05-30 | Univ California | High flux semipermeable cellulosic derivative membranes with dry handling capabilities and their method of preparation |
-
1971
- 1971-02-18 GB GB489771A patent/GB1396091A/en not_active Expired
-
1972
- 1972-02-18 CH CH233672A patent/CH577837A5/xx not_active IP Right Cessation
- 1972-02-18 FR FR7205500A patent/FR2125586B1/fr not_active Expired
- 1972-02-18 DE DE19722207656 patent/DE2207656A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH362056A (en) * | 1958-10-15 | 1962-05-31 | Alexander Prof Dr Goetz | Method and apparatus for making microporous filter films |
CH407949A (en) * | 1960-03-16 | 1966-02-28 | Membranfiltergesellschaft Gmbh | Method and device for the production of membrane filters |
FR1426548A (en) * | 1964-03-25 | 1966-04-15 | Univ California | Desalting membrane |
FR1584659A (en) * | 1967-09-21 | 1969-12-26 | ||
US3666508A (en) * | 1968-05-22 | 1972-05-30 | Univ California | High flux semipermeable cellulosic derivative membranes with dry handling capabilities and their method of preparation |
FR2096358A5 (en) * | 1970-06-16 | 1972-02-11 | Monsanto Co | |
FR2096357A5 (en) * | 1970-06-16 | 1972-02-11 | Monsanto Co | |
FR2105502A5 (en) * | 1970-09-09 | 1972-04-28 | Rhone Poulenc Sa |
Non-Patent Citations (1)
Title |
---|
Article 'Desalination Membranes from Organic Solutions' par S.MANJIKIAN dans Industrial & Engineering Chemistry, vol. 6, (1967.03), no. 1, pages 23 - 32 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2638016A1 (en) * | 1975-09-11 | 1977-07-28 | Fiat Spa | REVERSE OSMOSIS MEMBRANE AND METHOD OF MANUFACTURING IT |
FR2452949A1 (en) * | 1979-04-06 | 1980-10-31 | Daicel Chem | METHOD FOR MANUFACTURING A SEMI-PERMEABLE MEMBRANE HAVING SELECTIVE PERMEABILITY AND CONTAINER FOR USE IN AN ARTIFICIAL KIDNEY |
Also Published As
Publication number | Publication date |
---|---|
GB1396091A (en) | 1975-05-29 |
FR2125586B1 (en) | 1977-09-02 |
DE2207656A1 (en) | 1972-09-07 |
CH577837A5 (en) | 1976-07-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |