JPS5256010A - Production of magnetite powder - Google Patents

Production of magnetite powder

Info

Publication number: JPS5256010A
Authority: JP; Japan
Prior art keywords: production; magnetite powder; magnetite; powder
Prior art date: 1975-09-25
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

JP11378776A

Other languages

Japanese (ja)

Inventor

Kunda Wajiru

Rudeiiku Borisu

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.)

Viridian Inc Canada

Original Assignee

Sherritt Gordon Mines Ltd

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.)

1975-09-25

Filing date

1976-09-24

Publication date

1977-05-09

1976-09-24 Application filed by Sherritt Gordon Mines Ltd filed Critical Sherritt Gordon Mines Ltd

1977-05-09 Publication of JPS5256010A publication Critical patent/JPS5256010A/en

Status Pending legal-status Critical Current

Links

SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title 1
239000000843 powder Substances 0.000 title 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
- G11B5/70642—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 iron oxides
- G11B5/70678—Ferrites
- G11B5/70684—Ferro-ferrioxydes
- G11B5/70689—Magnetite
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Compounds Of Iron (AREA)
Hard Magnetic Materials (AREA)
Manufacture Of Iron (AREA)
Soft Magnetic Materials (AREA)

JP11378776A 1975-09-25 1976-09-24 Production of magnetite powder Pending JPS5256010A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA236,356A CA1066483A (en)	1975-09-25	1975-09-25	Process for production of finely divided magnetite particles

Publications (1)

Publication Number	Publication Date
JPS5256010A true JPS5256010A (en)	1977-05-09

Family

ID=4104147

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP11378776A Pending JPS5256010A (en)	1975-09-25	1976-09-24	Production of magnetite powder

Country Status (3)

Country	Link
JP (1)	JPS5256010A (en)
CA (1)	CA1066483A (en)
DE (1)	DE2642383A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2461521A1 (en) *	1979-07-20	1981-02-06	Anvar	MAGNETIC FLUIDS, IN PARTICULAR FERROFLUIDS, AND PROCESS FOR OBTAINING THEM
DE3209469A1 (en) *	1981-03-19	1982-09-30	Basf Ag, 6700 Ludwigshafen	Process for the preparation of iron oxide black pigments having improved acid resistance and their use
DE10017489A1 (en)	2000-04-07	2001-10-11	Emtec Magnetics Gmbh	Magnetic recording medium used in the production of magnetic tapes, floppy disks or magnetic cards comprises an upper magnetic recording layer containing a fine magnetic pigment
DE10017490A1 (en)	2000-04-07	2001-10-11	Emtec Magnetics Gmbh	Magnetic recording medium used in the production of magnetic tapes, floppy disks or magnetic cards comprises an upper magnetic recording layer containing a fine magnetic pigment
DE10135957A1 (en)	2001-07-24	2003-02-13	Emtec Magnetics Gmbh	Magnetic recording medium
DE10205332B4 (en) *	2002-02-06	2004-02-12	Berlin Heart Ag	Process for the production of magnetic nanoparticles
CZ301067B6 (en) *	2006-02-24	2009-10-29	Ústav makromolekulární chemie AV CR	Iron oxide-based superparamagnetic nanoparticles with modified surface, process of their preparation and use

1975
- 1975-09-25 CA CA236,356A patent/CA1066483A/en not_active Expired
1976
- 1976-09-21 DE DE19762642383 patent/DE2642383A1/en not_active Withdrawn
- 1976-09-24 JP JP11378776A patent/JPS5256010A/en active Pending

Also Published As

Publication number	Publication date
CA1066483A (en)	1979-11-20
DE2642383A1 (en)	1977-03-31

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