JPS556572B1 - - Google Patents
Info
- Publication number
- JPS556572B1 JPS556572B1 JP3967772A JP3967772A JPS556572B1 JP S556572 B1 JPS556572 B1 JP S556572B1 JP 3967772 A JP3967772 A JP 3967772A JP 3967772 A JP3967772 A JP 3967772A JP S556572 B1 JPS556572 B1 JP S556572B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2119932A DE2119932C3 (de) | 1971-04-23 | 1971-04-23 | Ferromagnetische Chromdioxidkristalle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS556572B1 true JPS556572B1 (enExample) | 1980-02-18 |
Family
ID=5805710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3967772A Pending JPS556572B1 (enExample) | 1971-04-23 | 1972-04-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3769087A (enExample) |
| JP (1) | JPS556572B1 (enExample) |
| CA (1) | CA1015149A (enExample) |
| DE (1) | DE2119932C3 (enExample) |
| FR (1) | FR2134444B1 (enExample) |
| GB (1) | GB1380650A (enExample) |
| IT (1) | IT952741B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068038A (en) * | 1972-05-24 | 1978-01-10 | Montecatini Edison S.P.A. | Stabilized chromium dioxide compositions |
| DE2942646A1 (de) * | 1979-10-22 | 1981-04-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von ferromagnetischem chromdioxid |
| CN114875244B (zh) * | 2022-05-11 | 2023-05-19 | 中南大学 | 一种将高砷锑冶炼烟灰资源化再利用的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2923683A (en) * | 1957-06-19 | 1960-02-02 | Du Pont | Antimony-modified chromium oxide ferromagnetic compositions, their preparation and use |
| US3520811A (en) * | 1967-11-13 | 1970-07-21 | Du Pont | Coated magnetic agglomerates containing chromium dioxide |
| US3585141A (en) * | 1969-05-05 | 1971-06-15 | Du Pont | Stabilization of chromium dioxide by monomeric cyclic amines |
| US3512930A (en) * | 1969-05-07 | 1970-05-19 | Du Pont | Stabilized ferromagnetic chromium dioxide |
| US3586630A (en) * | 1969-05-08 | 1971-06-22 | Du Pont | Stabilization of chromium dioxide by organophosphorus compounds |
| US3686031A (en) * | 1969-11-26 | 1972-08-22 | Du Pont | Metal phosphate coated ferromagnetic chromium oxide and its preparation |
| US3634252A (en) * | 1970-06-22 | 1972-01-11 | Du Pont | Chromium dioxide recording compositions stabilized with long-chain ammonium salts |
| US3687726A (en) * | 1970-10-19 | 1972-08-29 | Du Pont | Alumina coated chromium dioxide |
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1971
- 1971-04-23 DE DE2119932A patent/DE2119932C3/de not_active Expired
-
1972
- 1972-04-18 US US3769087D patent/US3769087A/en not_active Expired - Lifetime
- 1972-04-19 GB GB1807372A patent/GB1380650A/en not_active Expired
- 1972-04-20 IT IT4978972A patent/IT952741B/it active
- 1972-04-21 JP JP3967772A patent/JPS556572B1/ja active Pending
- 1972-04-21 CA CA140,315A patent/CA1015149A/en not_active Expired
- 1972-04-24 FR FR7214454A patent/FR2134444B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT952741B (it) | 1973-07-30 |
| FR2134444B1 (enExample) | 1976-08-06 |
| DE2119932B2 (de) | 1980-10-23 |
| FR2134444A1 (enExample) | 1972-12-08 |
| DE2119932A1 (de) | 1972-11-09 |
| GB1380650A (en) | 1975-01-15 |
| US3769087A (en) | 1973-10-30 |
| DE2119932C3 (de) | 1981-07-30 |
| CA1015149A (en) | 1977-08-09 |