JPS5260295A - Chromium dioxide and process for preparing same - Google Patents

Chromium dioxide and process for preparing same

Info

Publication number
JPS5260295A
JPS5260295A JP51122211A JP12221176A JPS5260295A JP S5260295 A JPS5260295 A JP S5260295A JP 51122211 A JP51122211 A JP 51122211A JP 12221176 A JP12221176 A JP 12221176A JP S5260295 A JPS5260295 A JP S5260295A
Authority
JP
Japan
Prior art keywords
preparing same
chromium dioxide
chromium
dioxide
preparing
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.)
Pending
Application number
JP51122211A
Other languages
English (en)
Inventor
Demazoo Jieraaru
Maesutoro Patoriku
Puranto Teofuiru
Pushiyaaru Mishieru
Ajienmiyure Pooru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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
Priority claimed from FR7531056A external-priority patent/FR2327198A1/fr
Priority claimed from FR7629472A external-priority patent/FR2366225A2/fr
Application filed by Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Publication of JPS5260295A publication Critical patent/JPS5260295A/ja
Pending legal-status Critical Current

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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
JP51122211A 1975-10-10 1976-10-12 Chromium dioxide and process for preparing same Pending JPS5260295A (en)

Applications Claiming Priority (2)

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
FR7629472A FR2366225A2 (fr) 1976-09-30 1976-09-30 Procede pour l'obtention de dioxyde de chrome cro2

Publications (1)

Publication Number Publication Date
JPS5260295A true JPS5260295A (en) 1977-05-18

Family

ID=26219096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51122211A Pending JPS5260295A (en) 1975-10-10 1976-10-12 Chromium dioxide and process for preparing same

Country Status (7)

Country Link
US (1) US4092439A (ja)
JP (1) JPS5260295A (ja)
DE (1) DE2645246C3 (ja)
GB (1) GB1516774A (ja)
IT (1) IT1076817B (ja)
NL (1) NL7611181A (ja)
SE (1) SE7611236L (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2861999D1 (en) * 1977-10-04 1982-10-07 Anvar Novel ferromagnetic material based on chromium dioxide and rhodium dioxide, and its preparation
US5571489A (en) * 1995-01-27 1996-11-05 Illinois Institute Of Technology Process for chromium recovery from aqueous solutions
AU2003276682A1 (en) * 2002-08-29 2004-03-19 Tata Institute Of Fundamental Research Chromium dioxide (cro2) and composites of chromium dioxide and other oxides of chromium such as cro2/cr2o3 and cro2/cr2o5 and process for manufacturing the same
CN106048239B (zh) * 2016-06-30 2018-07-20 华南理工大学 一种含六价铬废渣的资源循环再利用的处理方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA754464A (en) * 1967-03-14 E.I. Du Pont De Nemours And Company Ferromagnetic materials and production
US3278263A (en) * 1964-11-27 1966-10-11 Du Pont Ferromagnetic chromium dioxide and preparation thereof
US3529930A (en) * 1968-02-13 1970-09-22 Du Pont Process for improving ferromagnetic properties of chromium dioxide by heating in an oxidizing environment
US3954641A (en) * 1970-09-22 1976-05-04 Matsushita Electric Industrial Co., Ltd. Process for the preparation of sulfur modified ferromagnetic chromium oxide
AU452489B2 (en) * 1971-03-04 1974-08-16 Montecatini Edisons. P. A Process for preparing ferromagnetic chromium dioxide
US3778373A (en) * 1971-11-08 1973-12-11 Bell & Howell Co Iron containing ferromagnetic chromium oxide
JPS5318196B2 (ja) * 1973-07-24 1978-06-13

Also Published As

Publication number Publication date
GB1516774A (en) 1978-07-05
DE2645246C3 (de) 1980-06-04
NL7611181A (nl) 1977-04-13
DE2645246B2 (de) 1979-09-20
IT1076817B (it) 1985-04-27
SE7611236L (sv) 1977-04-11
US4092439A (en) 1978-05-30
DE2645246A1 (de) 1977-04-28

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