FR2237840A1 - - Google Patents
Info
- Publication number
- FR2237840A1 FR2237840A1 FR7424916A FR7424916A FR2237840A1 FR 2237840 A1 FR2237840 A1 FR 2237840A1 FR 7424916 A FR7424916 A FR 7424916A FR 7424916 A FR7424916 A FR 7424916A FR 2237840 A1 FR2237840 A1 FR 2237840A1
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/30—Purification; Separation by crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48081172A JPS5147440B2 (fr) | 1973-07-19 | 1973-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2237840A1 true FR2237840A1 (fr) | 1975-02-14 |
Family
ID=13739028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7424916A Withdrawn FR2237840A1 (fr) | 1973-07-19 | 1974-07-17 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3983215A (fr) |
| JP (1) | JPS5147440B2 (fr) |
| BR (1) | BR7405939D0 (fr) |
| DE (1) | DE2434447A1 (fr) |
| FR (1) | FR2237840A1 (fr) |
| GB (1) | GB1471008A (fr) |
| IT (1) | IT1017307B (fr) |
| PH (1) | PH11708A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51145495A (en) * | 1975-06-10 | 1976-12-14 | Asahi Glass Co Ltd | Purification of caustic soda |
| DE19710449A1 (de) * | 1997-03-13 | 1998-09-17 | Basf Ag | Verfahren zur Aufreinigung von Natronlauge |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1733879A (en) * | 1926-08-12 | 1929-10-29 | Hooker Electrochemical Co | Process of purifying caustic soda |
| GB472754A (en) * | 1936-07-23 | 1937-09-29 | Ig Farbenindustrie Ag | Process for purifying caustic-soda lyes |
| US2325339A (en) * | 1940-03-25 | 1943-07-27 | Pittsburgh Plate Glass Co | Purification of caustic |
-
1973
- 1973-07-19 JP JP48081172A patent/JPS5147440B2/ja not_active Expired
-
1974
- 1974-07-11 PH PH16030A patent/PH11708A/en unknown
- 1974-07-12 GB GB3109374A patent/GB1471008A/en not_active Expired
- 1974-07-17 FR FR7424916A patent/FR2237840A1/fr not_active Withdrawn
- 1974-07-17 DE DE2434447A patent/DE2434447A1/de active Pending
- 1974-07-18 BR BR5939/74A patent/BR7405939D0/pt unknown
- 1974-07-19 US US05/489,927 patent/US3983215A/en not_active Expired - Lifetime
- 1974-07-19 IT IT25380/74A patent/IT1017307B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1017307B (it) | 1977-07-20 |
| JPS5147440B2 (fr) | 1976-12-15 |
| PH11708A (en) | 1978-05-24 |
| BR7405939D0 (pt) | 1975-05-13 |
| JPS5029496A (fr) | 1975-03-25 |
| GB1471008A (en) | 1977-04-21 |
| US3983215A (en) | 1976-09-28 |
| DE2434447A1 (de) | 1975-02-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |