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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 hydroxides

Info

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
Application number
IT2139873A
Other languages
Italian (it)
Inventor
S Scotti
U Montiglio
P Aspes
G Basile
Original Assignee
Montedison Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Montedison Spa filed Critical Montedison Spa
Priority to IT2139873A priority Critical patent/IT1045821B/en
Priority to SE7306969A priority patent/SE404274B/en
Priority to NL7306877A priority patent/NL7306877A/xx
Priority to CH722473A priority patent/CH604343A5/xx
Priority to CA171,801A priority patent/CA1013130A/en
Priority to FR7318369A priority patent/FR2185840B1/fr
Priority to DE19732325719 priority patent/DE2325719A1/en
Priority to GB2495073A priority patent/GB1435392A/en
Priority to JP48057287A priority patent/JPS4949898A/ja
Priority to US05/609,542 priority patent/US4068038A/en
Application granted granted Critical
Publication of IT1045821B publication Critical patent/IT1045821B/en

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  • 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.
IT2139873A 1972-05-24 1973-03-09 Stabilised chromium dioxide prepn - by coating with insol metal salts, oxides or hydroxides IT1045821B (en)

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)

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