FR2238672A1 - - Google Patents
Info
- Publication number
- FR2238672A1 FR2238672A1 FR7425905A FR7425905A FR2238672A1 FR 2238672 A1 FR2238672 A1 FR 2238672A1 FR 7425905 A FR7425905 A FR 7425905A FR 7425905 A FR7425905 A FR 7425905A FR 2238672 A1 FR2238672 A1 FR 2238672A1
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732338212 DE2338212C3 (de) | 1973-07-27 | 1973-07-27 | Verfahren zur Herstellung von nadeiförmigem Goethit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2238672A1 true FR2238672A1 (OSRAM) | 1975-02-21 |
| FR2238672B1 FR2238672B1 (OSRAM) | 1977-10-14 |
Family
ID=5888168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425905A Expired FR2238672B1 (OSRAM) | 1973-07-27 | 1974-07-25 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS542920B2 (OSRAM) |
| DE (1) | DE2338212C3 (OSRAM) |
| FR (1) | FR2238672B1 (OSRAM) |
| GB (1) | GB1462918A (OSRAM) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE633384A (OSRAM) * | 1962-06-08 | 1963-12-09 |
-
1973
- 1973-07-27 DE DE19732338212 patent/DE2338212C3/de not_active Expired
-
1974
- 1974-07-24 GB GB3269974A patent/GB1462918A/en not_active Expired
- 1974-07-24 JP JP8503274A patent/JPS542920B2/ja not_active Expired
- 1974-07-25 FR FR7425905A patent/FR2238672B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2338212B2 (de) | 1979-03-22 |
| FR2238672B1 (OSRAM) | 1977-10-14 |
| DE2338212C3 (de) | 1979-11-08 |
| GB1462918A (en) | 1977-01-26 |
| JPS542920B2 (OSRAM) | 1979-02-15 |
| DE2338212A1 (de) | 1975-02-13 |
| JPS5081999A (OSRAM) | 1975-07-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |