NL7217668A - - Google Patents
Info
- Publication number
- NL7217668A NL7217668A NL7217668A NL7217668A NL7217668A NL 7217668 A NL7217668 A NL 7217668A NL 7217668 A NL7217668 A NL 7217668A NL 7217668 A NL7217668 A NL 7217668A NL 7217668 A NL7217668 A NL 7217668A
- Authority
- NL
- Netherlands
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
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT33137/71A IT944578B (it) | 1971-12-30 | 1971-12-30 | Membrane polimeriche per osmosi inversa ad alto flusso d acqua ed elevata reiezione salina e metodo di preparazione di tali membrane |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7217668A true NL7217668A (pt) | 1973-07-03 |
| NL175884B NL175884B (nl) | 1984-08-16 |
| NL175884C NL175884C (nl) | 1985-01-16 |
Family
ID=11236670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7217668,A NL175884C (nl) | 1971-12-30 | 1972-12-27 | Anisotrope membranen voor omgekeerde osmose. |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5611484B2 (pt) |
| BE (1) | BE793504A (pt) |
| BR (1) | BR7209266D0 (pt) |
| CA (1) | CA1018315A (pt) |
| DE (1) | DE2263774C2 (pt) |
| EG (1) | EG10806A (pt) |
| ES (1) | ES410178A1 (pt) |
| FR (1) | FR2166115B1 (pt) |
| GB (1) | GB1391559A (pt) |
| IL (1) | IL41210A (pt) |
| IT (1) | IT944578B (pt) |
| NL (1) | NL175884C (pt) |
| ZA (1) | ZA729171B (pt) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA74296B (en) * | 1973-01-16 | 1974-11-27 | Montedison Spa | Reverse osmosis anisotropic membranes with great water flow and strong saline rejection,based on polypiperazine amides,and process for preparing such membranes |
| DE3220376A1 (de) * | 1982-05-29 | 1983-12-01 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung |
| IT1153101B (it) * | 1982-07-01 | 1987-01-14 | Montedison Spa | Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi |
| IT1222627B (it) * | 1987-09-09 | 1990-09-05 | Separem Spa | Procedimento per la preparazione di membrane per osmosi inversa e membrane ottenute con tale procedimento |
| US4921611A (en) * | 1987-10-14 | 1990-05-01 | Schucker Robert C | Thin film composite membrane prepared by deposition from a solution |
| US4837054A (en) * | 1987-10-14 | 1989-06-06 | Exxon Research And Engineering Company | Thin film composite membrane prepared by deposition from a solution |
| US4879044A (en) * | 1987-10-14 | 1989-11-07 | Exxon Research And Engineering Company | Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics |
| US4861628A (en) * | 1987-10-14 | 1989-08-29 | Exxon Research And Engineering Company | Thin film composite membrane prepared by suspension deposition |
| US4828773A (en) * | 1987-10-14 | 1989-05-09 | Exxon Research And Engineering Company | Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics |
| US5045354A (en) * | 1989-12-19 | 1991-09-03 | Exxon Research & Engineering Company | Production of supported thin film membranes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7009957A (pt) * | 1969-07-08 | 1971-01-12 | ||
| NL171019C (nl) * | 1969-07-08 | 1983-02-01 | Consiglio Nazionale Ricerche | Membranen voor omgekeerde osmose. |
-
0
- BE BE793504D patent/BE793504A/xx unknown
-
1971
- 1971-12-30 IT IT33137/71A patent/IT944578B/it active
-
1972
- 1972-12-27 NL NLAANVRAGE7217668,A patent/NL175884C/xx not_active IP Right Cessation
- 1972-12-27 EG EG545/72A patent/EG10806A/xx active
- 1972-12-28 DE DE2263774A patent/DE2263774C2/de not_active Expired
- 1972-12-28 FR FR7246566A patent/FR2166115B1/fr not_active Expired
- 1972-12-28 ZA ZA729171A patent/ZA729171B/xx unknown
- 1972-12-29 ES ES410178A patent/ES410178A1/es not_active Expired
- 1972-12-29 BR BR9266/72A patent/BR7209266D0/pt unknown
- 1972-12-29 JP JP438573A patent/JPS5611484B2/ja not_active Expired
- 1972-12-29 IL IL41210A patent/IL41210A/en unknown
-
1973
- 1973-01-01 GB GB5966272A patent/GB1391559A/en not_active Expired
- 1973-01-02 CA CA160,396A patent/CA1018315A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL175884C (nl) | 1985-01-16 |
| BR7209266D0 (pt) | 1973-09-25 |
| ES410178A1 (es) | 1975-12-01 |
| GB1391559A (en) | 1975-04-23 |
| IT944578B (it) | 1973-04-20 |
| JPS4880481A (pt) | 1973-10-27 |
| IL41210A (en) | 1976-08-31 |
| DE2263774C2 (de) | 1982-04-01 |
| IL41210A0 (en) | 1973-02-28 |
| JPS5611484B2 (pt) | 1981-03-14 |
| BE793504A (fr) | 1973-06-29 |
| FR2166115A1 (pt) | 1973-08-10 |
| NL175884B (nl) | 1984-08-16 |
| CA1018315A (en) | 1977-10-04 |
| FR2166115B1 (pt) | 1976-04-23 |
| DE2263774A1 (de) | 1973-07-12 |
| ZA729171B (en) | 1973-09-26 |
| EG10806A (en) | 1976-09-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V4 | Discontinued because of reaching the maximum lifetime of a patent |