FR2295065B1 - - Google Patents
Info
- Publication number
- FR2295065B1 FR2295065B1 FR7539138A FR7539138A FR2295065B1 FR 2295065 B1 FR2295065 B1 FR 2295065B1 FR 7539138 A FR7539138 A FR 7539138A FR 7539138 A FR7539138 A FR 7539138A FR 2295065 B1 FR2295065 B1 FR 2295065B1
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/08—Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14494674A JPS5633961B2 (US20110158925A1-20110630-C00042.png) | 1974-12-19 | 1974-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2295065A1 FR2295065A1 (fr) | 1976-07-16 |
| FR2295065B1 true FR2295065B1 (US20110158925A1-20110630-C00042.png) | 1978-05-19 |
Family
ID=15373853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7539138A Granted FR2295065A1 (fr) | 1974-12-19 | 1975-12-19 | Membrane de separation de solute |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4067804A (US20110158925A1-20110630-C00042.png) |
| JP (1) | JPS5633961B2 (US20110158925A1-20110630-C00042.png) |
| FR (1) | FR2295065A1 (US20110158925A1-20110630-C00042.png) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4259183A (en) * | 1978-11-07 | 1981-03-31 | Midwest Research Institute | Reverse osmosis membrane |
| JPS5681105A (en) * | 1979-12-06 | 1981-07-02 | Teijin Ltd | Treatment of membrane |
| DE3050547A1 (de) * | 1980-08-22 | 1982-09-23 | L Stremovsky | Porous polymer membrane and method of making it |
| JPS6086360U (ja) * | 1983-11-21 | 1985-06-14 | 志鷹 雄輔 | 単亜鈴 |
| JPS60138562U (ja) * | 1984-02-27 | 1985-09-13 | 新谷 育盛 | 握力鍛練具 |
| WO1994004253A2 (en) * | 1992-08-13 | 1994-03-03 | The Dow Chemical Company | Polyazole polymer-based membranes for fluid separation |
| DE10258580A1 (de) * | 2002-12-16 | 2004-06-24 | Celanese Ventures Gmbh | Hochmolekular Polyazole |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886251A (en) * | 1967-04-11 | 1975-05-27 | Furukawa Electric Co Ltd | Method for forming polyoxadiazole series resin solution into shaped articles |
| US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
| US3699038A (en) * | 1970-04-22 | 1972-10-17 | Celanese Corp | Production of improved semipermeable polybenzimidazole membranes |
| CH545830A (US20110158925A1-20110630-C00042.png) * | 1970-10-29 | 1974-02-15 | ||
| BE788751A (fr) * | 1971-09-13 | 1973-01-02 | Teijin Ltd | Membranes polymeres permselectives |
-
1974
- 1974-12-19 JP JP14494674A patent/JPS5633961B2/ja not_active Expired
-
1975
- 1975-12-19 FR FR7539138A patent/FR2295065A1/fr active Granted
- 1975-12-19 US US05/642,593 patent/US4067804A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2295065A1 (fr) | 1976-07-16 |
| JPS5171272A (US20110158925A1-20110630-C00042.png) | 1976-06-19 |
| JPS5633961B2 (US20110158925A1-20110630-C00042.png) | 1981-08-07 |
| US4067804A (en) | 1978-01-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |