FR2237989B1 - - Google Patents
Info
- Publication number
- FR2237989B1 FR2237989B1 FR7424926A FR7424926A FR2237989B1 FR 2237989 B1 FR2237989 B1 FR 2237989B1 FR 7424926 A FR7424926 A FR 7424926A FR 7424926 A FR7424926 A FR 7424926A FR 2237989 B1 FR2237989 B1 FR 2237989B1
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
- C25B13/08—Diaphragms; Spacing elements characterised by the material based on organic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3416973A GB1468356A (en) | 1973-07-18 | 1973-07-18 | Porous diaphragms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2237989A1 FR2237989A1 (fr) | 1975-02-14 |
| FR2237989B1 true FR2237989B1 (fr) | 1978-01-27 |
Family
ID=10362248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7424926A Expired FR2237989B1 (fr) | 1973-07-18 | 1974-07-17 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5070464A (fr) |
| BE (1) | BE817677A (fr) |
| CA (1) | CA1046724A (fr) |
| DE (1) | DE2433940A1 (fr) |
| FR (1) | FR2237989B1 (fr) |
| GB (1) | GB1468356A (fr) |
| IT (1) | IT1017228B (fr) |
| NL (1) | NL7409610A (fr) |
| ZA (1) | ZA744188B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA785994B (en) * | 1977-11-15 | 1980-04-30 | Ici Ltd | Production of porous diaphragms |
| US4297196A (en) * | 1980-03-17 | 1981-10-27 | Hooker Chemicals & Plastics Corp. | Stable low voltage microporous diaphragm for electrolytic cells |
| JPS596231A (ja) * | 1982-07-05 | 1984-01-13 | Mitsubishi Rayon Co Ltd | フッ素樹脂多孔質膜の製造方法 |
| LU85822A1 (fr) * | 1985-03-27 | 1986-10-06 | Cen Centre Energie Nucleaire | Procede de production d'une structure poreuse comprenant une matiere organique dispersee dans un liant |
| CN115027081A (zh) * | 2021-03-03 | 2022-09-09 | 哈尔滨纳新密封产品制造有限公司 | 一种聚四氟乙烯微孔膜及其制备方法与应用 |
-
1973
- 1973-07-18 GB GB3416973A patent/GB1468356A/en not_active Expired
-
1974
- 1974-06-28 ZA ZA00744188A patent/ZA744188B/xx unknown
- 1974-07-15 DE DE2433940A patent/DE2433940A1/de not_active Ceased
- 1974-07-15 BE BE146578A patent/BE817677A/fr unknown
- 1974-07-16 NL NL7409610A patent/NL7409610A/xx not_active Application Discontinuation
- 1974-07-17 FR FR7424926A patent/FR2237989B1/fr not_active Expired
- 1974-07-17 IT IT7425269A patent/IT1017228B/it active
- 1974-07-18 CA CA205,246A patent/CA1046724A/fr not_active Expired
- 1974-07-18 JP JP49081811A patent/JPS5070464A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU7082474A (en) | 1976-01-08 |
| DE2433940A1 (de) | 1975-02-06 |
| CA1046724A (fr) | 1979-01-23 |
| ZA744188B (en) | 1975-07-30 |
| GB1468356A (en) | 1977-03-23 |
| BE817677A (fr) | 1975-01-15 |
| IT1017228B (it) | 1977-07-20 |
| FR2237989A1 (fr) | 1975-02-14 |
| JPS5070464A (fr) | 1975-06-11 |
| NL7409610A (nl) | 1975-01-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |