IT1045821B - Stabilised chromium dioxide prepn - by coating with insol metal salts, oxides or hydroxides - Google Patents
Stabilised chromium dioxide prepn - by coating with insol metal salts, oxides or hydroxidesInfo
- Publication number
- IT1045821B IT1045821B IT2139873A IT2139873A IT1045821B IT 1045821 B IT1045821 B IT 1045821B IT 2139873 A IT2139873 A IT 2139873A IT 2139873 A IT2139873 A IT 2139873A IT 1045821 B IT1045821 B IT 1045821B
- Authority
- IT
- Italy
- Prior art keywords
- insol
- stabilised
- hydroxides
- oxides
- prepn
- Prior art date
Links
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 title abstract 3
- 229940090961 chromium dioxide Drugs 0.000 title abstract 2
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 title abstract 2
- 150000004679 hydroxides Chemical class 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 230000005307 ferromagnetism Effects 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052746 lanthanum Inorganic materials 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Chemically Coating (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Stabilised ferromagnetic chromium dioxide for use in magnetic recording is prepd. by applying to the surface of opt. modified CrO2, insol. salts of Mg. zn, Ce, La, Fe, Mn, or Co, or of MoO4--, WO4--, or PO4--- or opt. hydrated oxides or hydroxides of Ti, Si, or Sb, either alone or in combination with each other. High ferromagnetism and very low reactivity towards water and oxidisable org. materials, are obtd.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2139873A IT1045821B (en) | 1973-03-09 | 1973-03-09 | Stabilised chromium dioxide prepn - by coating with insol metal salts, oxides or hydroxides |
| NL7306877A NL7306877A (en) | 1972-05-24 | 1973-05-17 | |
| SE7306969A SE404274B (en) | 1972-05-24 | 1973-05-17 | STABILIZED CHROME Dioxide |
| CA171,801A CA1013130A (en) | 1972-05-24 | 1973-05-18 | Stabilized chromium dioxide and method of preparing same |
| CH722473A CH604343A5 (en) | 1972-05-24 | 1973-05-18 | |
| FR7318369A FR2185840B1 (en) | 1972-05-24 | 1973-05-21 | |
| DE19732325719 DE2325719A1 (en) | 1972-05-24 | 1973-05-21 | STABILIZED CHROME DIOXIDE |
| GB2495073A GB1435392A (en) | 1972-05-24 | 1973-05-24 | Stabilized chromium dioxide |
| JP48057287A JPS4949898A (en) | 1972-05-24 | 1973-05-24 | |
| US05/609,542 US4068038A (en) | 1972-05-24 | 1975-09-02 | Stabilized chromium dioxide compositions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2139873A IT1045821B (en) | 1973-03-09 | 1973-03-09 | Stabilised chromium dioxide prepn - by coating with insol metal salts, oxides or hydroxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1045821B true IT1045821B (en) | 1980-06-10 |
Family
ID=11181161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2139873A IT1045821B (en) | 1972-05-24 | 1973-03-09 | Stabilised chromium dioxide prepn - by coating with insol metal salts, oxides or hydroxides |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1045821B (en) |
-
1973
- 1973-03-09 IT IT2139873A patent/IT1045821B/en active
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