GB1380650A - Ferromagnetic chromium dioxide crystals - Google Patents
Ferromagnetic chromium dioxide crystalsInfo
- Publication number
- GB1380650A GB1380650A GB1807372A GB1807372A GB1380650A GB 1380650 A GB1380650 A GB 1380650A GB 1807372 A GB1807372 A GB 1807372A GB 1807372 A GB1807372 A GB 1807372A GB 1380650 A GB1380650 A GB 1380650A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crystals
- chromium dioxide
- antimony
- ferromagnetic chromium
- ferromagnetic
- Prior art date
- 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
- 239000013078 crystal Substances 0.000 title abstract 7
- 230000005294 ferromagnetic effect Effects 0.000 title abstract 4
- 229940090961 chromium dioxide Drugs 0.000 title abstract 3
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 title abstract 3
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052787 antimony Inorganic materials 0.000 abstract 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 3
- 150000001495 arsenic compounds Chemical class 0.000 abstract 3
- 229940058905 antimony compound for treatment of leishmaniasis and trypanosomiasis Drugs 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229940093920 gynecological arsenic compound Drugs 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- 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
-
- 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
-
- 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 |
|---|---|
| GB1380650A true GB1380650A (en) | 1975-01-15 |
Family
ID=5805710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1807372A Expired GB1380650A (en) | 1971-04-23 | 1972-04-19 | Ferromagnetic chromium dioxide crystals |
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 |
-
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 |
| JPS556572B1 (enExample) | 1980-02-18 |
| FR2134444B1 (enExample) | 1976-08-06 |
| DE2119932B2 (de) | 1980-10-23 |
| FR2134444A1 (enExample) | 1972-12-08 |
| DE2119932A1 (de) | 1972-11-09 |
| US3769087A (en) | 1973-10-30 |
| DE2119932C3 (de) | 1981-07-30 |
| CA1015149A (en) | 1977-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |