FR2333547B1 - - Google Patents
Info
- Publication number
- FR2333547B1 FR2333547B1 FR7636694A FR7636694A FR2333547B1 FR 2333547 B1 FR2333547 B1 FR 2333547B1 FR 7636694 A FR7636694 A FR 7636694A FR 7636694 A FR7636694 A FR 7636694A FR 2333547 B1 FR2333547 B1 FR 2333547B1
- 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
- B01D71/56—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
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/32—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752554922 DE2554922A1 (de) | 1975-12-06 | 1975-12-06 | Semipermeable membranen aus copolyamiden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2333547A1 FR2333547A1 (fr) | 1977-07-01 |
| FR2333547B1 true FR2333547B1 (US06312121-20011106-C00033.png) | 1983-01-28 |
Family
ID=5963654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7636694A Granted FR2333547A1 (fr) | 1975-12-06 | 1976-12-06 | Membranes semi-permeables en copolyamides et leur utilisation pour l'ultra-filtration ou l'osmose inverse |
Country Status (10)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260652A (en) * | 1977-06-08 | 1981-04-07 | Teijin Limited | Preparation of permselective composite membrane |
| JPS5850521B2 (ja) * | 1979-10-09 | 1983-11-11 | 日東電工株式会社 | ポリキナゾロン系重合体よりなる選択性透過膜 |
| US4385148A (en) * | 1981-06-25 | 1983-05-24 | E. I. Du Pont De Nemours And Company | Reverse osmosis membrane preparation |
| JPS5855006A (ja) * | 1981-09-28 | 1983-04-01 | Mitsubishi Chem Ind Ltd | ポリスルホンエ−テルアミド膜 |
| US4454176A (en) * | 1981-10-21 | 1984-06-12 | E. I. Du Pont De Nemours And Company | Supported reverse osmosis membranes |
| ES516206A0 (es) * | 1981-10-21 | 1983-10-01 | Du Pont | "mejoras introducidas en un procedimiento para la preparacion de una membrana de osmosis inversa". |
| EP0135514B1 (en) * | 1983-02-02 | 1990-11-07 | Memtec Limited | Cross linked porous membranes |
| US4544484A (en) * | 1983-06-24 | 1985-10-01 | E. I. Du Pont De Nemours And Company | Reverse osmosis membrane quenching |
| JPS61259727A (ja) * | 1985-05-13 | 1986-11-18 | Agency Of Ind Science & Technol | 分離膜 |
| JPS62102803A (ja) * | 1985-10-31 | 1987-05-13 | Agency Of Ind Science & Technol | 気体分離膜 |
| JPS62102802A (ja) * | 1985-10-31 | 1987-05-13 | Agency Of Ind Science & Technol | 気体分離膜 |
| US4695383A (en) * | 1986-03-12 | 1987-09-22 | Toyo Boseki Kabushiki Kaisha | Permselective membrane |
| DE3744601A1 (de) * | 1987-12-31 | 1989-07-13 | Hoechst Ag | Faeden-, faser- oder filmbildende aromatische copolyamide, verfahren zu ihrer herstellung und verwendung |
| US5196501A (en) * | 1988-10-04 | 1993-03-23 | Hoechst Aktiengesellschaft | Substituted aromatic polyamides as orientation layers for liquid crystal display elements and liquid crystal switching elements |
| DE4123602A1 (de) * | 1991-07-17 | 1993-01-21 | Bayer Ag | Membranen aus aromatisch-heterocyclischen polyamiden, verfahren zu ihrer herstellung und ihre verwendung |
| US20080135721A1 (en) * | 2006-12-06 | 2008-06-12 | General Electric Company | Casting compositions for manufacturing metal casting and methods of manufacturing thereof |
| BR112014026360A2 (pt) | 2012-04-23 | 2017-06-27 | Gen Electric | aerofólio de turbina e pá de turbina |
| CN111921378B (zh) * | 2020-08-11 | 2021-12-21 | 郑州大学 | 一种可用于染料与盐分离的聚酰胺膜及其制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3354120A (en) * | 1964-02-26 | 1967-11-21 | Monsanto Co | Polyamides prepared from 5, 5'-diaminoindigo |
| US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
| NL171019C (nl) * | 1969-07-08 | 1983-02-01 | Consiglio Nazionale Ricerche | Membranen voor omgekeerde osmose. |
| US3664986A (en) * | 1969-10-14 | 1972-05-23 | Du Pont | 1,2,5-thiadiazole polymers |
| DE1953358C3 (de) * | 1969-10-23 | 1980-09-11 | Bayer Ag, 5090 Leverkusen | Aromatische Copolyamide |
| DE2009741C3 (de) * | 1970-03-03 | 1980-07-31 | Bayer Ag, 5090 Leverkusen | Aromatische Copolyamide |
| DE2224507A1 (de) * | 1972-05-19 | 1973-12-06 | Bayer Ag | Hochmolekulare aromatische copolyamide |
| DE2224506A1 (de) * | 1972-05-19 | 1973-11-29 | Bayer Ag | Hochmolekulare aromatische copolyamide |
| US4123424A (en) * | 1973-05-07 | 1978-10-31 | Montedison S.P.A. | Polymeric piperazinamides and membranes for reverse osmosis made therefrom |
| US3993625A (en) * | 1973-05-28 | 1976-11-23 | Toray Industries, Inc. | Permselective polymeric membranes of organic polyamide or polyhydrazide |
-
1975
- 1975-12-06 DE DE19752554922 patent/DE2554922A1/de not_active Withdrawn
-
1976
- 1976-11-29 GB GB49610/76A patent/GB1539265A/en not_active Expired
- 1976-12-03 IT IT30102/76A patent/IT1124738B/it active
- 1976-12-03 JP JP51144877A patent/JPS5270990A/ja active Pending
- 1976-12-03 AT AT897376A patent/AT360048B/de not_active IP Right Cessation
- 1976-12-03 CA CA267,137A patent/CA1102972A/en not_active Expired
- 1976-12-03 NL NL7613508A patent/NL7613508A/xx not_active Application Discontinuation
- 1976-12-06 BE BE172993A patent/BE849098A/xx not_active IP Right Cessation
- 1976-12-06 FR FR7636694A patent/FR2333547A1/fr active Granted
-
1978
- 1978-07-24 US US05/927,609 patent/US4221903A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2554922A1 (de) | 1977-06-16 |
| GB1539265A (en) | 1979-01-31 |
| AT360048B (de) | 1980-12-10 |
| IT1124738B (it) | 1986-05-14 |
| BE849098A (fr) | 1977-06-06 |
| NL7613508A (nl) | 1977-06-08 |
| FR2333547A1 (fr) | 1977-07-01 |
| ATA897376A (de) | 1980-05-15 |
| US4221903A (en) | 1980-09-09 |
| CA1102972A (en) | 1981-06-16 |
| JPS5270990A (en) | 1977-06-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |