FR2327198B1 - - Google Patents
Info
- Publication number
- FR2327198B1 FR2327198B1 FR7531056A FR7531056A FR2327198B1 FR 2327198 B1 FR2327198 B1 FR 2327198B1 FR 7531056 A FR7531056 A FR 7531056A FR 7531056 A FR7531056 A FR 7531056A FR 2327198 B1 FR2327198 B1 FR 2327198B1
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/32—Thermal properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7531056A FR2327198A1 (fr) | 1975-10-10 | 1975-10-10 | Procede pour l'obtention de dioxyde de chrome cro2 |
BE171234A BE846935A (fr) | 1975-10-10 | 1976-10-04 | Procede pour l'obtention de dioxyde de chrome cr02 |
GB41497/76A GB1516774A (en) | 1975-10-10 | 1976-10-06 | Process for preparing chromium dioxide |
US05/730,389 US4092439A (en) | 1975-10-10 | 1976-10-07 | Process for obtaining chromium dioxide CrO2 |
DE2645246A DE2645246C3 (de) | 1975-10-10 | 1976-10-07 | Verfahren zur Herstellung von reinem Chromdioxid |
NL7611181A NL7611181A (nl) | 1975-10-10 | 1976-10-08 | Werkwijze voor de bereiding van chroomdioxyde, alsmede de toepassing ervan als ferromagnetisch materiaal. |
SE7611236A SE7611236L (sv) | 1975-10-10 | 1976-10-08 | Forfarande for framstellning av kromdioxid |
IT51658/76A IT1076817B (it) | 1975-10-10 | 1976-10-08 | Procedimento per la produzione di biossido di cormo cro 2 |
JP51122211A JPS5260295A (en) | 1975-10-10 | 1976-10-12 | Chromium dioxide and process for preparing same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7531056A FR2327198A1 (fr) | 1975-10-10 | 1975-10-10 | Procede pour l'obtention de dioxyde de chrome cro2 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2327198A1 FR2327198A1 (fr) | 1977-05-06 |
FR2327198B1 true FR2327198B1 (fr) | 1981-02-20 |
Family
ID=9161048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7531056A Granted FR2327198A1 (fr) | 1975-10-10 | 1975-10-10 | Procede pour l'obtention de dioxyde de chrome cro2 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE846935A (fr) |
FR (1) | FR2327198A1 (fr) |
-
1975
- 1975-10-10 FR FR7531056A patent/FR2327198A1/fr active Granted
-
1976
- 1976-10-04 BE BE171234A patent/BE846935A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE846935A (fr) | 1977-04-04 |
FR2327198A1 (fr) | 1977-05-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |