JPS4874479A - - Google Patents
Info
- Publication number
- JPS4874479A JPS4874479A JP48004904A JP490473A JPS4874479A JP S4874479 A JPS4874479 A JP S4874479A JP 48004904 A JP48004904 A JP 48004904A JP 490473 A JP490473 A JP 490473A JP S4874479 A JPS4874479 A JP S4874479A
- Authority
- JP
- Japan
- 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
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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 |
|---|---|---|---|
| US21580972A | 1972-01-06 | 1972-01-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4874479A true JPS4874479A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-10-06 |
| JPS5611485B2 JPS5611485B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-03-14 |
Family
ID=22804487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP490473A Expired JPS5611485B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-06 | 1973-01-06 |
Country Status (7)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2323635A1 (de) * | 1972-05-12 | 1973-11-29 | Yeda Res & Dev | Polymerisatlegierung mit einer phsophor und halogen enthaltenden polymerenkomponente |
| US4035457A (en) * | 1975-05-01 | 1977-07-12 | Chemical Systems Incorporated | Nonbiodegradable polymers |
| US4203847A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Making porous membranes and the membrane products |
| US4305824A (en) * | 1978-08-10 | 1981-12-15 | Toray Industries, Incorporated | Cellulose derivative reverse osmosis membrane |
| US4219517A (en) * | 1978-10-12 | 1980-08-26 | Puropore Inc. | Process for spinning dense hollow fiber cellulosic membrane |
| US4333972A (en) * | 1980-06-25 | 1982-06-08 | Puropore, Inc. | Highly anisotropic membranes |
| DE3430503A1 (de) * | 1984-08-18 | 1986-02-27 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran aus modifizierter cellulose mit verbesserter biokompatibilitaet |
| DE3572771D1 (en) * | 1984-08-18 | 1989-10-12 | Akzo Gmbh | Modified cellulose dialysis membrane with improved biocompatibility |
| US4681605A (en) * | 1985-06-27 | 1987-07-21 | A/G Technology Corporation | Anisotropic membranes for gas separation |
| US4728346A (en) * | 1986-08-15 | 1988-03-01 | Permea Inc. | Permeation modified asymmetric gas separation membranes having graded density skins |
| ES2052605T3 (es) * | 1986-08-15 | 1994-07-16 | Permea Inc | Membranas asimetricas de separacion de gas que tienen peliculas de densidad graduada. |
| US4871494A (en) * | 1986-08-15 | 1989-10-03 | Permea, Inc. | Process for forming asymmetric gas separation membranes having graded density skins |
| US4990248A (en) * | 1987-06-03 | 1991-02-05 | Eastman Kodak Company | Reverse osmosis apparatus |
| EP0330106A1 (de) * | 1988-02-25 | 1989-08-30 | Akzo Nobel N.V. | Modifizierte Cellulose für biocompatible Dialysemembranen II und Verfahren zu deren Herstellung |
| EP0330134A1 (de) * | 1988-02-25 | 1989-08-30 | Akzo Nobel N.V. | Modifizierte Cellulose für biocompatible Dialysemembranen IV und Verfahren zu deren Herstellung |
| EP0339200A1 (de) * | 1988-02-25 | 1989-11-02 | Akzo Nobel N.V. | Modifizierte Cellulose für biocompatible Dialysemembranen III und Verfahren zu deren Herstellung |
| DE3814326A1 (de) * | 1988-04-28 | 1989-11-09 | Akzo Gmbh | Verfahren zur modifizierung von cellulosischen dialysemembranen zur verbesserung der biocompatibilitaet und vorrichtung zur durchfuehrung des verfahrens |
| JPH03109303U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1990-02-26 | 1991-11-11 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544358A (en) * | 1966-07-18 | 1970-12-01 | Universal Water Corp | Production of semipermeable membranes directly on the surfaces of permeable support bodies |
| US3592953A (en) * | 1967-10-02 | 1971-07-13 | Gen Electric | Preparation of high flow cellulose derivative reverse osmosis membrane |
| US3522335A (en) * | 1968-02-29 | 1970-07-28 | Eastman Kodak Co | Methods for producing reverse osmosis membrane and the composition utilized |
| 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 |
| GB1264670A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-04-17 | 1972-02-23 | ||
| US3607329A (en) * | 1969-04-22 | 1971-09-21 | Us Interior | Cellulose acetate butyrate semipermeable membranes and their production |
-
1972
- 1972-01-06 US US00215809A patent/US3792135A/en not_active Expired - Lifetime
- 1972-10-20 FR FR7237187A patent/FR2166350B1/fr not_active Expired
- 1972-12-04 CA CA157,925A patent/CA987873A/en not_active Expired
- 1972-12-25 IL IL41163A patent/IL41163A/xx unknown
-
1973
- 1973-01-05 GB GB69473A patent/GB1420121A/en not_active Expired
- 1973-01-05 DE DE2300496A patent/DE2300496C3/de not_active Expired
- 1973-01-06 JP JP490473A patent/JPS5611485B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2300496B2 (de) | 1981-04-30 |
| IL41163A (en) | 1975-08-31 |
| US3792135A (en) | 1974-02-12 |
| IL41163A0 (en) | 1973-02-28 |
| DE2300496C3 (de) | 1982-04-08 |
| FR2166350B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-21 |
| JPS5611485B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-03-14 |
| GB1420121A (en) | 1976-01-07 |
| DE2300496A1 (de) | 1973-07-12 |
| FR2166350A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-17 |
| CA987873A (en) | 1976-04-27 |