FR2253781B3 - - Google Patents
Info
- Publication number
- FR2253781B3 FR2253781B3 FR7440263A FR7440263A FR2253781B3 FR 2253781 B3 FR2253781 B3 FR 2253781B3 FR 7440263 A FR7440263 A FR 7440263A FR 7440263 A FR7440263 A FR 7440263A FR 2253781 B3 FR2253781 B3 FR 2253781B3
- 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
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/10—Esters of organic acids
- C08J2301/12—Cellulose acetate
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2361369A DE2361369A1 (de) | 1973-12-10 | 1973-12-10 | Verfahren zur herstellung einer entsalzenden celluloseacetatmembran |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2253781A1 FR2253781A1 (fr) | 1975-07-04 |
| FR2253781B3 true FR2253781B3 (fr) | 1977-09-02 |
Family
ID=5900338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7440263A Expired FR2253781B3 (fr) | 1973-12-10 | 1974-12-09 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3957935A (fr) |
| JP (1) | JPS5094079A (fr) |
| DE (1) | DE2361369A1 (fr) |
| FR (1) | FR2253781B3 (fr) |
| GB (1) | GB1486917A (fr) |
| IT (1) | IT1024345B (fr) |
| NL (1) | NL7415605A (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51145474A (en) * | 1975-06-10 | 1976-12-14 | Kuraray Co Ltd | A blood dialysis membrane with outstanding dialysis performance and a process for producing it |
| DE2704600B2 (de) * | 1977-02-04 | 1979-08-30 | Hoechst Ag, 6000 Frankfurt | Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid |
| US4145295A (en) * | 1977-08-15 | 1979-03-20 | Canadian Patents And Development Limited | Cellulose ester ultra-filtration membranes and their manufacture |
| DE2816085B2 (de) * | 1978-04-13 | 1981-04-23 | Sartorius GmbH, 3400 Göttingen | Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosehydrat |
| DE2935097A1 (de) * | 1978-09-07 | 1980-03-20 | Kuraray Co | Aethylen/vinylalkohol-copolymermembran |
| JPS56129005A (en) * | 1980-03-12 | 1981-10-08 | Daicel Chem Ind Ltd | Dry type porous membrane and its manufacture |
| JPS58156307A (ja) * | 1982-03-15 | 1983-09-17 | Nitto Electric Ind Co Ltd | 乾燥半透膜の製造方法 |
| EP0162068B1 (fr) * | 1983-11-07 | 1990-06-06 | Memtec Limited | Separation d'emulsions de petrole |
| JPS6097005A (ja) * | 1984-04-16 | 1985-05-30 | Terumo Corp | 透析用中空繊維の可塑化方法 |
| US4744807A (en) * | 1986-07-21 | 1988-05-17 | Canadian Patents And Development Ltd. | Method of manufacturing a cellulose acetate membrane and the membrane so produced |
| JP2528169B2 (ja) * | 1987-11-19 | 1996-08-28 | 帝人株式会社 | 多孔性成型物の製造方法 |
| US5011637A (en) * | 1989-01-23 | 1991-04-30 | The Dow Chemical Company | Preparing cellulose ester membranes for gas separation |
| US4980063A (en) * | 1989-01-27 | 1990-12-25 | The Dow Chemical Company | Compositions useful for preparing cellulose ester membranes for liquid separations |
| JPH09253463A (ja) * | 1996-03-22 | 1997-09-30 | Nok Corp | ポリスルホン系限外濾過膜の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3567809A (en) * | 1966-10-07 | 1971-03-02 | Fuji Photo Film Co Ltd | Method of varying the pore diameters of fine pores in cellulose acetate film |
| US3593855A (en) * | 1969-05-13 | 1971-07-20 | Westinghouse Electric Corp | High flow porous reverse osmosis membranes containing lipids |
| US3592672A (en) * | 1969-12-22 | 1971-07-13 | Eastman Kodak Co | Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation |
| US3772072A (en) * | 1971-06-14 | 1973-11-13 | Eastman Kodak Co | Method for treating reverse osmosis membranes |
-
1973
- 1973-12-10 DE DE2361369A patent/DE2361369A1/de not_active Withdrawn
-
1974
- 1974-11-29 NL NL7415605A patent/NL7415605A/xx not_active Application Discontinuation
- 1974-12-05 US US05/529,839 patent/US3957935A/en not_active Expired - Lifetime
- 1974-12-06 IT IT54392/74A patent/IT1024345B/it active
- 1974-12-09 FR FR7440263A patent/FR2253781B3/fr not_active Expired
- 1974-12-10 JP JP49141951A patent/JPS5094079A/ja active Pending
- 1974-12-10 GB GB53322/74A patent/GB1486917A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3957935A (en) | 1976-05-18 |
| JPS5094079A (fr) | 1975-07-26 |
| FR2253781A1 (fr) | 1975-07-04 |
| GB1486917A (en) | 1977-09-28 |
| IT1024345B (it) | 1978-06-20 |
| NL7415605A (nl) | 1975-06-12 |
| DE2361369A1 (de) | 1975-06-19 |