NL7405900A - - Google Patents
Info
- Publication number
- NL7405900A NL7405900A NL7405900A NL7405900A NL7405900A NL 7405900 A NL7405900 A NL 7405900A NL 7405900 A NL7405900 A NL 7405900A NL 7405900 A NL7405900 A NL 7405900A NL 7405900 A NL7405900 A NL 7405900A
- Authority
- NL
- Netherlands
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
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
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- 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
- C08G69/40—Polyamides containing oxygen in the form of ether groups
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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23770/73A IT987156B (it) | 1973-05-07 | 1973-05-07 | Polipiperazinammidi copolipiperazi nammidi e membrane per osmosi in versa a base di tali materiali polimerici |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7405900A true NL7405900A (US20030199744A1-20031023-C00003.png) | 1974-11-11 |
| NL176176B NL176176B (nl) | 1984-10-01 |
| NL176176C NL176176C (nl) | 1985-03-01 |
Family
ID=11209824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7405900,A NL176176C (nl) | 1973-05-07 | 1974-05-02 | Werkwijze ter bereiding van polypiperazineamiden en daaruit vervaardigde anisotrope membranen. |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1040274B (it) * | 1975-07-30 | 1979-12-20 | Consiglio Nazionale Ricerche | Procedimento di preparazione di membrane anisotrope supportate per osmosi inversa a base di poliammidi sintetiche |
| JPS6246014Y2 (US20030199744A1-20031023-C00003.png) * | 1980-10-17 | 1987-12-10 | ||
| US4433117A (en) * | 1982-03-23 | 1984-02-21 | Kuraray Co., Ltd. | Copolyesteramide and production of the same |
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1973
- 1973-05-07 IT IT23770/73A patent/IT987156B/it active
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1974
- 1974-05-02 NL NLAANVRAGE7405900,A patent/NL176176C/xx not_active IP Right Cessation
- 1974-05-02 DK DK240274A patent/DK157978C/da active
- 1974-05-03 IL IL44761A patent/IL44761A/en unknown
- 1974-05-03 DE DE2421353A patent/DE2421353A1/de not_active Withdrawn
- 1974-05-04 JP JP4929974A patent/JPS575565B2/ja not_active Expired
- 1974-05-06 ES ES426000A patent/ES426000A1/es not_active Expired
- 1974-05-06 BE BE143969A patent/BE814603A/xx unknown
- 1974-05-06 FR FR7415547A patent/FR2228805B1/fr not_active Expired
- 1974-05-07 CA CA199,175A patent/CA1029496A/en not_active Expired
- 1974-05-07 GB GB1994674A patent/GB1422767A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1422767A (en) | 1976-01-28 |
| NL176176B (nl) | 1984-10-01 |
| JPS575565B2 (US20030199744A1-20031023-C00003.png) | 1982-01-30 |
| IL44761A0 (en) | 1974-07-31 |
| FR2228805B1 (US20030199744A1-20031023-C00003.png) | 1976-12-17 |
| ES426000A1 (es) | 1976-11-01 |
| FR2228805A1 (US20030199744A1-20031023-C00003.png) | 1974-12-06 |
| DK157978B (da) | 1990-03-12 |
| JPS5081978A (US20030199744A1-20031023-C00003.png) | 1975-07-03 |
| CA1029496A (en) | 1978-04-11 |
| BE814603A (fr) | 1974-11-06 |
| IT987156B (it) | 1975-02-20 |
| NL176176C (nl) | 1985-03-01 |
| IL44761A (en) | 1977-10-31 |
| DK157978C (da) | 1990-08-27 |
| DE2421353A1 (de) | 1974-11-21 |
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 | ||
| A85 | Still pending on 85-01-01 | ||
| V4 | Discontinued because of reaching the maximum lifetime of a patent |