BR7410080A - Membranas compositas semi-permeaveis e processo para a sua preparacao - Google Patents
Membranas compositas semi-permeaveis e processo para a sua preparacaoInfo
- Publication number
- BR7410080A BR7410080A BR10080/74A BR1008074A BR7410080A BR 7410080 A BR7410080 A BR 7410080A BR 10080/74 A BR10080/74 A BR 10080/74A BR 1008074 A BR1008074 A BR 1008074A BR 7410080 A BR7410080 A BR 7410080A
- Authority
- BR
- Brazil
- Prior art keywords
- permanible
- semi
- preparation
- composite membranes
- membranes
- Prior art date
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
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/80—Block polymers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
- C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
-
- 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
- C08G2340/00—Filter material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7343242A FR2252862B1 (pt) | 1973-12-04 | 1973-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7410080A true BR7410080A (pt) | 1976-06-08 |
Family
ID=9128694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR10080/74A BR7410080A (pt) | 1973-12-04 | 1974-12-03 | Membranas compositas semi-permeaveis e processo para a sua preparacao |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5099973A (pt) |
| BR (1) | BR7410080A (pt) |
| DK (1) | DK628174A (pt) |
| IL (1) | IL46176A0 (pt) |
| IT (1) | IT1030867B (pt) |
| SE (1) | SE7415145L (pt) |
| ZA (1) | ZA747678B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7809835A (nl) * | 1978-09-28 | 1980-04-01 | Wafilin Bv | Gemodificeerd membraan voor membraanfiltratie. |
| JPS614505A (ja) * | 1984-06-15 | 1986-01-10 | Nitto Electric Ind Co Ltd | ポリスルホン複合半透膜及びその製造方法 |
| JPS614506A (ja) * | 1984-06-15 | 1986-01-10 | Nitto Electric Ind Co Ltd | ポリスルホン複合半透膜及びその製造方法 |
| JPS6219205A (ja) * | 1985-07-17 | 1987-01-28 | Nok Corp | 限外ロ過膜の製造方法 |
-
1974
- 1974-12-03 IT IT3015374A patent/IT1030867B/it active
- 1974-12-03 BR BR10080/74A patent/BR7410080A/pt unknown
- 1974-12-03 ZA ZA00747678A patent/ZA747678B/xx unknown
- 1974-12-03 IL IL46176A patent/IL46176A0/xx unknown
- 1974-12-03 JP JP49139350A patent/JPS5099973A/ja active Pending
- 1974-12-03 SE SE7415145A patent/SE7415145L/xx unknown
- 1974-12-03 DK DK628174A patent/DK628174A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK628174A (pt) | 1975-07-28 |
| IT1030867B (it) | 1979-04-10 |
| JPS5099973A (pt) | 1975-08-08 |
| IL46176A0 (en) | 1975-03-13 |
| SE7415145L (pt) | 1975-06-05 |
| ZA747678B (en) | 1975-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR7606224A (pt) | Membrana composita semipermeavel e processo para preparar a mesma | |
| BR7400565D0 (pt) | Eletrodo, processo para a sua preparacao, e aplicacao do mesmo | |
| BR7501452A (pt) | Catalisador aperfeicoado e processo para sua preparacao | |
| BR7309505D0 (pt) | Microcapsulas de material polimero e processo para sua preparacao | |
| BR7302890D0 (pt) | Um material-filtro e processo para sua fabricacao | |
| BR7404618A (pt) | Aperfeicoamento em pneumatico de auto-vedacao e em processo para sua preparacao | |
| BR7402784D0 (pt) | Processo para a preparacao de 3-metilmercaptopropionaldeido | |
| BR7406259D0 (pt) | Gaxeta e processo para sua fabricacao | |
| BR7404534D0 (pt) | Aperfeicoamento no processo para a preparacao da acrilo-nitrila ou da meta-acrilo-nitrila | |
| BR7608409A (pt) | Compostos,processo para a sua preparacao e sua aplicacao | |
| BR7406433D0 (pt) | Processo para a preparacao e n-n-di-alcoil-amidas | |
| BR7407573D0 (pt) | Composto de 8-hidroxi-quimolina e processo para sua preparacao | |
| BR7310100D0 (pt) | Melo de separacao e processo para sua obtencao | |
| BR7203298D0 (pt) | Novos isotiociano-benzazois e processo para a sua preparacao | |
| BR7410080A (pt) | Membranas compositas semi-permeaveis e processo para a sua preparacao | |
| BR7407147D0 (pt) | Processo para a preparacao de pirazois 3-5-di-substituido | |
| BR7407514D0 (pt) | Processo para a preparacao de compostos bis-benzoxazolila e sua aplicacao | |
| BR7410291A (pt) | Composicao de catalisador e processo para sua preparacao | |
| BR7308205D0 (pt) | Processo para a preparacao de cicloalcanonas e cicloalcanois | |
| BR7400656D0 (pt) | Material filtrante com a forma de feltro e processo para sua preparacao | |
| BR7410191A (pt) | Processo para a preparacao de corantes poliazoicos e suas aplicacoes | |
| BR7405763D0 (pt) | Processo para preparacao de maneb colorido e maneb colorido assim obtido | |
| BR7401598D0 (pt) | Polimero termoendurecivel e processo para sua fabricacao | |
| BR7406305D0 (pt) | Copoliamidas quaternarias processo para sua preparacao e suas aplicacoes | |
| BR7406914D0 (pt) | Processo para a fabricacao de corantes de cuba e sua utilizacao |