JPS5157698A - Ganma sankatetsu *3* noseiho - Google Patents

Ganma sankatetsu *3* noseiho

Info

Publication number
JPS5157698A
JPS5157698A JP50112752A JP11275275A JPS5157698A JP S5157698 A JPS5157698 A JP S5157698A JP 50112752 A JP50112752 A JP 50112752A JP 11275275 A JP11275275 A JP 11275275A JP S5157698 A JPS5157698 A JP S5157698A
Authority
JP
Japan
Prior art keywords
sankatetsu
noseiho
ganma
ganma sankatetsu
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.)
Granted
Application number
JP50112752A
Other languages
English (en)
Other versions
JPS589772B2 (ja
Inventor
Kesuteru Eeberuharuto
Unshu Geruto
Sheenafuingeru Ezuaruto
Heningu Shuneehaage Hansu
Yakushu Herumuuto
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of JPS5157698A publication Critical patent/JPS5157698A/ja
Publication of JPS589772B2 publication Critical patent/JPS589772B2/ja
Expired 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
    • G11B5/70642—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
    • G11B5/70652—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 gamma - Fe2 O3
    • G11B5/70663—Preparation processes specially adapted therefor, e.g. using stabilising agents
    • 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
    • C01G49/06—Ferric oxide [Fe2O3]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • 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
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)
JP50112752A 1974-10-04 1975-09-19 ガンマ − サンカテツ （３） ノセイホウ Expired JPS589772B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2447386A DE2447386C2 (de) 1974-10-04 1974-10-04 Verfahren zur Herstellung von γ-Eisen(III)oxid

Publications (2)

Publication Number Publication Date
JPS5157698A true JPS5157698A (en) 1976-05-20
JPS589772B2 JPS589772B2 (ja) 1983-02-22

Family

ID=5927549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50112752A Expired JPS589772B2 (ja) 1974-10-04 1975-09-19 ガンマ − サンカテツ （３） ノセイホウ

Country Status (5)

Country Link
US (1) US4018882A (ja)
JP (1) JPS589772B2 (ja)
DE (1) DE2447386C2 (ja)
FR (1) FR2286796A1 (ja)
GB (1) GB1520756A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6163532A (ja) * 1984-09-01 1986-04-01 バイエル・アクチエンゲゼルシヤフト 高保磁性の等軸酸化鉄、その製造方法及び使用

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945203A1 (de) * 1979-11-09 1981-06-04 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von (gamma)-eisen (iii) oxid
DE3224325A1 (de) * 1982-06-30 1984-01-05 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von nadelfoermigen, ferrimagnetischen eisenoxiden
US5219554A (en) * 1986-07-03 1993-06-15 Advanced Magnetics, Inc. Hydrated biodegradable superparamagnetic metal oxides
US5069216A (en) * 1986-07-03 1991-12-03 Advanced Magnetics Inc. Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558303A (en) * 1947-08-07 1951-06-26 American Cyanamid Co Production of iron oxide pigments
US2558304A (en) * 1948-03-11 1951-06-26 American Cyanamid Co Production of iron oxide pigments
US3082067A (en) * 1959-04-28 1963-03-19 Bayer Ag Process for the production of isometric ferromagnetic gamma-ferric oxide
US3399142A (en) * 1963-10-02 1968-08-27 Georgia Kaolin Co Magnetic materials and methods of making the same
DE1252646B (de) * 1965-07-26 1967-10-26 VEB Filmfabrik Wolfen Wolfen (Kr Bitterfeld) Verfahren zur Stabili sierung von a-FeO(OH) fur die Herstellung von } Fe2O3
US3498748A (en) * 1967-05-18 1970-03-03 Pfizer & Co C Preparation of magnetic ferric oxide
NL7018467A (ja) * 1969-12-24 1971-06-28
US3700595A (en) * 1970-06-15 1972-10-24 Avco Corp Ferrofluid composition
SU647505A1 (ru) * 1977-08-08 1979-02-15 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт По Оборудованию Для Кондиционирования Воздуха И Вентиляции Вниикондиционер Установка дл кондиционировани воздуха

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6163532A (ja) * 1984-09-01 1986-04-01 バイエル・アクチエンゲゼルシヤフト 高保磁性の等軸酸化鉄、その製造方法及び使用

Also Published As

Publication number Publication date
FR2286796B1 (ja) 1979-06-29
JPS589772B2 (ja) 1983-02-22
FR2286796A1 (fr) 1976-04-30
US4018882A (en) 1977-04-19
GB1520756A (en) 1978-08-09
DE2447386A1 (de) 1976-04-22
DE2447386C2 (de) 1983-07-07

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