AU2001284037A1 - Magnetites that are low in silicon - Google Patents

Magnetites that are low in silicon

Info

Publication number
AU2001284037A1
AU2001284037A1 AU2001284037A AU8403701A AU2001284037A1 AU 2001284037 A1 AU2001284037 A1 AU 2001284037A1 AU 2001284037 A AU2001284037 A AU 2001284037A AU 8403701 A AU8403701 A AU 8403701A AU 2001284037 A1 AU2001284037 A1 AU 2001284037A1
Authority
AU
Australia
Prior art keywords
magnetites
silicon
low
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.)
Abandoned
Application number
AU2001284037A
Other languages
English (en)
Inventor
Ulrich Meisen
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of AU2001284037A1 publication Critical patent/AU2001284037A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2006/11—Powder tap density
    • 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
    • C01P2006/12—Surface area
    • 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)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Soft Magnetic Materials (AREA)
AU2001284037A 2000-09-08 2001-08-27 Magnetites that are low in silicon Abandoned AU2001284037A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10044397 2000-09-08
DE10044397A DE10044397A1 (de) 2000-09-08 2000-09-08 Magnetite und deren Verwendung bei der Herstellung von Tonern
PCT/EP2001/009847 WO2002020409A1 (de) 2000-09-08 2001-08-27 Verfahren zur herstellung von siliciumarmen magnetiten

Publications (1)

Publication Number Publication Date
AU2001284037A1 true AU2001284037A1 (en) 2002-03-22

Family

ID=7655479

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284037A Abandoned AU2001284037A1 (en) 2000-09-08 2001-08-27 Magnetites that are low in silicon

Country Status (7)

Country Link
US (1) US6562533B2 (de)
EP (1) EP1322555B1 (de)
JP (1) JP5311702B2 (de)
AU (1) AU2001284037A1 (de)
DE (1) DE10044397A1 (de)
ES (1) ES2587002T3 (de)
WO (1) WO2002020409A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209150A1 (de) * 2002-03-01 2003-09-11 Bayer Ag Verfahren zur Herstellung von Magnetitteilchen und deren Verwendung
US7678524B2 (en) * 2005-05-19 2010-03-16 Canon Kabushiki Kaisha Magnetic toner
ES2296522B1 (es) * 2006-05-26 2009-04-01 Europea De Minerales Y Derivados, S.L. Masa pesada para la fabricacion de productos con alta capacidad de radio-proteccion.
CN102249346B (zh) * 2011-06-08 2013-03-20 哈尔滨工程大学 制备四氧化三铁花状纳米超结构的方法
CN102390872B (zh) * 2011-08-09 2014-04-16 东南大学 一种呈微米级立方体的超分散四氧化三铁颗粒的制备方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US802928A (en) 1905-01-19 1905-10-24 Edward G Portner Manufacture of printing-ink pigments.
JPS5110198A (de) 1974-07-15 1976-01-27 Toda Kogyo Corp
DE2609293A1 (de) 1976-03-06 1977-09-08 Boehringer Sohn Ingelheim Separates fixationsteil fuer intravenoese kanuelen und katheter
DE2618058A1 (de) 1976-04-24 1977-11-10 Bayer Ag Verfahren zur kontinuierlichen herstellung von eisenoxidschwarzpigmenten
CA1149582A (en) 1979-02-09 1983-07-12 Pfizer Limited Synthetic rhombohedrol magnetite pigment
DE3209469A1 (de) 1981-03-19 1982-09-30 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von eisenoxidschwarz-pigmenten mit verbesserter saeurebestaendigkeit und deren verwendung
JPS57200230A (en) * 1981-06-05 1982-12-08 Mitsubishi Metal Corp Ultra-fine powder of black ferrosoferric oxide and its preparation
DD216040A1 (de) 1983-06-17 1984-11-28 Dieter Naumann Verfahren zur herstellung von eisenoxidschwarzpigmenten
DE3500470A1 (de) 1985-01-09 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung heller farbreiner eisenoxidrotpigmente
DD284478A5 (de) 1989-05-30 1990-11-14 Kummer,Hans-Dieter,Dd Verfahren zur herstellung von eisenoxidschwarz-pigmenten
JPH04317420A (ja) * 1991-04-16 1992-11-09 Furukawa Co Ltd マグネタイトの製造方法
DE69631267T2 (de) * 1995-06-15 2004-11-18 Toda Kogyo Corp. Magnetteilchen für magnetische Toner und ihre Herstellungsverfahren
DE19642534C2 (de) * 1996-10-15 1998-10-15 Bayer Ag Magnetitteilchen, bestehend aus magnetischen Eisenoxid, Verfahren zur Herstellung und dessen Verwendung
DE19702431C2 (de) * 1997-01-24 2000-01-20 Bayer Ag Verfahren zur Herstellung von Magnetitteilchen und ihre Verwendung
DE19919791A1 (de) 1999-04-30 2000-11-02 Bayer Ag Verfahren zur Herstellung von Fällungsmagnetiten

Also Published As

Publication number Publication date
WO2002020409A1 (de) 2002-03-14
JP5311702B2 (ja) 2013-10-09
JP2004508263A (ja) 2004-03-18
US6562533B2 (en) 2003-05-13
EP1322555A1 (de) 2003-07-02
DE10044397A1 (de) 2002-03-21
EP1322555B1 (de) 2016-06-29
US20020115007A1 (en) 2002-08-22
ES2587002T3 (es) 2016-10-20

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