CH594434A5 - - Google Patents
Info
- Publication number
- CH594434A5 CH594434A5 CH353175A CH353175A CH594434A5 CH 594434 A5 CH594434 A5 CH 594434A5 CH 353175 A CH353175 A CH 353175A CH 353175 A CH353175 A CH 353175A CH 594434 A5 CH594434 A5 CH 594434A5
- Authority
- CH
- Switzerland
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
- B01D71/50—Polycarbonates
-
- 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)
- External Artificial Organs (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45493974A | 1974-03-26 | 1974-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH594434A5 true CH594434A5 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1978-01-13 |
Family
ID=23806700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH353175A CH594434A5 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1974-03-26 | 1975-03-19 |
Country Status (11)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2932761A1 (de) * | 1979-08-13 | 1981-02-26 | Akzo Gmbh | Polycarbonat-polyaether-copolymermembran |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1107467A (en) * | 1976-03-19 | 1981-08-25 | Paul A. Cantor | Polycarbonate membranes for use in hemodialysis |
| US4069151A (en) * | 1976-03-31 | 1978-01-17 | C. R. Bard, Inc. | Thin polycarbonate membranes for use in hemodialysis |
| SE423106B (sv) * | 1980-07-25 | 1982-04-13 | Gambro Dialysatoren | Plasmaferesmembran samt sett att tillverka detta |
| ATE10437T1 (de) * | 1980-09-01 | 1984-12-15 | Gambro, Inc. | Trockene polycarbonatmembran und verfahren zur herstellung. |
| EP0046816A1 (en) * | 1980-09-01 | 1982-03-10 | Gambro, Inc. | Polycarbonate hemofiltration membrane and method of hemofiltering using such a membrane |
| SE446505B (sv) * | 1982-11-16 | 1986-09-22 | Gambro Dialysatoren | Membran samt sett att framstella detta |
| EP0135760A1 (de) * | 1983-08-19 | 1985-04-03 | Bayer Ag | Polyether-Polycarbonate für Dialysemembranen |
| US20080143014A1 (en) * | 2006-12-18 | 2008-06-19 | Man-Wing Tang | Asymmetric Gas Separation Membranes with Superior Capabilities for Gas Separation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945926A (en) * | 1971-10-18 | 1976-03-23 | Chemical Systems, Inc. | Integral microporous high void volume polycarbonate membranes and a dry process for forming same |
| US3901810A (en) * | 1972-09-21 | 1975-08-26 | Calgon Corp | Ultrafiltration membranes |
-
1975
- 1975-02-28 GB GB8359/75A patent/GB1500937A/en not_active Expired
- 1975-03-04 IT IT67549/75A patent/IT1030266B/it active
- 1975-03-07 FR FR7507225A patent/FR2265807B1/fr not_active Expired
- 1975-03-10 DK DK096275A patent/DK163482C/da active
- 1975-03-11 NL NLAANVRAGE7502865,A patent/NL172920C/xx not_active IP Right Cessation
- 1975-03-17 BE BE154410A patent/BE826775A/xx not_active IP Right Cessation
- 1975-03-19 CH CH353175A patent/CH594434A5/xx not_active IP Right Cessation
- 1975-03-19 CA CA222,510A patent/CA1062413A/en not_active Expired
- 1975-03-24 NO NO751026A patent/NO135162C/no unknown
- 1975-03-25 SE SE7503430A patent/SE407583B/xx not_active IP Right Cessation
- 1975-03-26 JP JP50036697A patent/JPS5228826B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2932761A1 (de) * | 1979-08-13 | 1981-02-26 | Akzo Gmbh | Polycarbonat-polyaether-copolymermembran |
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |