JPS4880481A - - Google Patents
Info
- Publication number
- JPS4880481A JPS4880481A JP48004385A JP438573A JPS4880481A JP S4880481 A JPS4880481 A JP S4880481A JP 48004385 A JP48004385 A JP 48004385A JP 438573 A JP438573 A JP 438573A JP S4880481 A JPS4880481 A JP S4880481A
- Authority
- JP
- Japan
- 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.)
- Granted
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
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- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT33137/71A IT944578B (en) | 1971-12-30 | 1971-12-30 | POLYMER MEMBRANES FOR REVERSE OSMOSIS WITH HIGH FLOW OF WATER AND HIGH SALINE REJECTION AND METHOD OF PREPARATION OF SUCH MEMBRANES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4880481A true JPS4880481A (en) | 1973-10-27 |
| JPS5611484B2 JPS5611484B2 (en) | 1981-03-14 |
Family
ID=11236670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP438573A Expired JPS5611484B2 (en) | 1971-12-30 | 1972-12-29 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5611484B2 (en) |
| BE (1) | BE793504A (en) |
| BR (1) | BR7209266D0 (en) |
| CA (1) | CA1018315A (en) |
| DE (1) | DE2263774C2 (en) |
| EG (1) | EG10806A (en) |
| ES (1) | ES410178A1 (en) |
| FR (1) | FR2166115B1 (en) |
| GB (1) | GB1391559A (en) |
| IL (1) | IL41210A (en) |
| IT (1) | IT944578B (en) |
| NL (1) | NL175884C (en) |
| ZA (1) | ZA729171B (en) |
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 (en) * | 1982-05-29 | 1983-12-01 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | MEMBRANE FILTER FOR MICROFILTRATION AND METHOD FOR THE PRODUCTION THEREOF |
| IT1153101B (en) * | 1982-07-01 | 1987-01-14 | Montedison Spa | PROCEDURE FOR THE PREPARATION OF ANISOTROPIC FORMED BODIES BASED ON POLY-PIPERAZINAMIDES |
| IT1222627B (en) * | 1987-09-09 | 1990-09-05 | Separem Spa | PROCEDURE FOR THE PREPARATION OF MEMBRANES FOR REVERSE OSMOSIS AND MEMBRANES OBTAINED BY THIS PROCEDURE |
| 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 (en) * | 1969-07-08 | 1971-01-12 | ||
| US3696031A (en) * | 1969-07-08 | 1972-10-03 | Consiglio Nazionale Ricerche | Osmosis process |
-
0
- BE BE793504D patent/BE793504A/en unknown
-
1971
- 1971-12-30 IT IT33137/71A patent/IT944578B/en active
-
1972
- 1972-12-27 NL NLAANVRAGE7217668,A patent/NL175884C/en not_active IP Right Cessation
- 1972-12-27 EG EG545/72A patent/EG10806A/en active
- 1972-12-28 ZA ZA729171A patent/ZA729171B/en unknown
- 1972-12-28 FR FR7246566A patent/FR2166115B1/fr not_active Expired
- 1972-12-28 DE DE2263774A patent/DE2263774C2/en not_active Expired
- 1972-12-29 ES ES410178A patent/ES410178A1/en not_active Expired
- 1972-12-29 JP JP438573A patent/JPS5611484B2/ja not_active Expired
- 1972-12-29 IL IL41210A patent/IL41210A/en unknown
- 1972-12-29 BR BR9266/72A patent/BR7209266D0/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 |
|---|---|
| DE2263774C2 (en) | 1982-04-01 |
| FR2166115B1 (en) | 1976-04-23 |
| BR7209266D0 (en) | 1973-09-25 |
| ES410178A1 (en) | 1975-12-01 |
| FR2166115A1 (en) | 1973-08-10 |
| BE793504A (en) | 1973-06-29 |
| IL41210A0 (en) | 1973-02-28 |
| NL175884C (en) | 1985-01-16 |
| DE2263774A1 (en) | 1973-07-12 |
| IL41210A (en) | 1976-08-31 |
| CA1018315A (en) | 1977-10-04 |
| EG10806A (en) | 1976-09-30 |
| JPS5611484B2 (en) | 1981-03-14 |
| GB1391559A (en) | 1975-04-23 |
| IT944578B (en) | 1973-04-20 |
| NL175884B (en) | 1984-08-16 |
| NL7217668A (en) | 1973-07-03 |
| ZA729171B (en) | 1973-09-26 |