FR2324335B1 - - Google Patents
Info
- Publication number
- FR2324335B1 FR2324335B1 FR7401108A FR7401108A FR2324335B1 FR 2324335 B1 FR2324335 B1 FR 2324335B1 FR 7401108 A FR7401108 A FR 7401108A FR 7401108 A FR7401108 A FR 7401108A FR 2324335 B1 FR2324335 B1 FR 2324335B1
- 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
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
-
- 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
- B01D71/56—Polyamides, e.g. polyester-amides
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
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)
- Polyamides (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19247/73A IT978187B (it) | 1973-01-16 | 1973-01-16 | Membrane anisotrope per osmosi inversa ad alto flusso ed ele vata reiezione salina a base di polipiperazinammidi e procedi mento di preparazione relativo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2324335A1 FR2324335A1 (fr) | 1977-04-15 |
| FR2324335B1 true FR2324335B1 (US20030199744A1-20031023-C00003.png) | 1978-02-10 |
Family
ID=11156091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7401108A Granted FR2324335A1 (fr) | 1973-01-16 | 1974-01-14 | Membranes anisotropes pour osmose inverse et procede de preparation de telles membranes |
Country Status (12)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2704600C3 (de) * | 1977-02-04 | 1988-05-26 | Hoechst Ag, 6230 Frankfurt | Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid |
| JPS57174107A (en) * | 1981-04-20 | 1982-10-26 | Teijin Ltd | Production of permselective membrane |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL171019C (nl) * | 1969-07-08 | 1983-02-01 | Consiglio Nazionale Ricerche | Membranen voor omgekeerde osmose. |
| NL7009957A (US20030199744A1-20031023-C00003.png) * | 1969-07-08 | 1971-01-12 | ||
| US3664986A (en) * | 1969-10-14 | 1972-05-23 | Du Pont | 1,2,5-thiadiazole polymers |
| BE793504A (fr) * | 1971-12-30 | 1973-06-29 | Montedison Spa | Membranes anisotropes de retro-osmose et leur procede de preparation |
-
1973
- 1973-01-15 ZA ZA740296A patent/ZA74296B/xx unknown
- 1973-01-16 IT IT19247/73A patent/IT978187B/it active
-
1974
- 1974-01-11 NL NLAANVRAGE7400402,A patent/NL176231C/xx not_active IP Right Cessation
- 1974-01-12 DE DE2401428A patent/DE2401428C2/de not_active Expired
- 1974-01-14 FR FR7401108A patent/FR2324335A1/fr active Granted
- 1974-01-14 GB GB176174A patent/GB1402247A/en not_active Expired
- 1974-01-15 AU AU64509/74A patent/AU6450974A/en not_active Expired
- 1974-01-15 BE BE139818A patent/BE809757A/xx unknown
- 1974-01-15 ES ES422290A patent/ES422290A1/es not_active Expired
- 1974-01-16 CA CA190,326A patent/CA1024711A/en not_active Expired
- 1974-01-16 JP JP717974A patent/JPS574361B2/ja not_active Expired
- 1974-02-06 IL IL44156A patent/IL44156A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA74296B (en) | 1974-11-27 |
| IL44156A0 (en) | 1974-05-16 |
| FR2324335A1 (fr) | 1977-04-15 |
| DE2401428A1 (de) | 1974-07-18 |
| JPS574361B2 (US20030199744A1-20031023-C00003.png) | 1982-01-26 |
| NL7400402A (US20030199744A1-20031023-C00003.png) | 1974-07-18 |
| CA1024711A (en) | 1978-01-24 |
| DE2401428C2 (de) | 1985-11-14 |
| IT978187B (it) | 1974-09-20 |
| ES422290A1 (es) | 1976-04-01 |
| BE809757A (fr) | 1974-07-15 |
| NL176231B (nl) | 1984-10-16 |
| NL176231C (nl) | 1985-03-18 |
| IL44156A (en) | 1976-08-31 |
| AU6450974A (en) | 1975-07-17 |
| GB1402247A (en) | 1975-08-06 |
| JPS49109271A (US20030199744A1-20031023-C00003.png) | 1974-10-17 |
