SE7803710L - Stabiliserad ferromagnetisk kromdioxid och sett for dess framstellning - Google Patents

Stabiliserad ferromagnetisk kromdioxid och sett for dess framstellning

Info

Publication number
SE7803710L
SE7803710L SE7803710A SE7803710A SE7803710L SE 7803710 L SE7803710 L SE 7803710L SE 7803710 A SE7803710 A SE 7803710A SE 7803710 A SE7803710 A SE 7803710A SE 7803710 L SE7803710 L SE 7803710L
Authority
SE
Sweden
Prior art keywords
perromagnetic
stabilized
preparation
methods
chrome dioxide
Prior art date
Application number
SE7803710A
Other languages
English (en)
Swedish (sv)
Inventor
G Basile
E Gallinotti
G Boero
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
Priority claimed from IT2222477A external-priority patent/IT1085216B/it
Priority claimed from IT2050878A external-priority patent/IT1108807B/it
Application filed by Montedison Spa filed Critical Montedison Spa
Publication of SE7803710L publication Critical patent/SE7803710L/xx

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
    • C01P2006/42—Magnetic 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
    • C01P2006/80—Compositional purity
    • 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
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Iron (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE7803710A 1977-04-07 1978-04-03 Stabiliserad ferromagnetisk kromdioxid och sett for dess framstellning SE7803710L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2222477A IT1085216B (it) 1977-04-07 1977-04-07 Biossido di cromo ferromagnetico stabilizzato e procedimento per la loro preparazione
IT2050878A IT1108807B (it) 1978-02-22 1978-02-22 Biossido di cromo ferromagnetico stabilizzato e procedimento per ottenerlo

Publications (1)

Publication Number Publication Date
SE7803710L true SE7803710L (sv) 1978-10-08

Family

ID=26327553

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7803710A SE7803710L (sv) 1977-04-07 1978-04-03 Stabiliserad ferromagnetisk kromdioxid och sett for dess framstellning

Country Status (11)

Country Link
US (1) US4169802A (da)
JP (1) JPS53146994A (da)
BR (1) BR7802124A (da)
DD (1) DD135374A5 (da)
DE (1) DE2814407A1 (da)
DK (1) DK146478A (da)
ES (1) ES468596A1 (da)
FR (1) FR2386486A1 (da)
GB (1) GB1573857A (da)
NL (1) NL7803520A (da)
SE (1) SE7803710L (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1097025B (it) * 1978-07-21 1985-08-26 Montedison Spa Biossido di cromo ferromagnetico stabilizzato e procedimento per ottenerlo
DE3263019D1 (en) * 1981-10-26 1985-05-15 Du Pont Surface modified ferromagnetic chromium dioxide
US4668283A (en) * 1984-06-25 1987-05-26 Mitsui Toatsu Chemicals, Incorporated Magnetic powder and production process thereof
DE3536116A1 (de) * 1985-10-10 1987-04-16 Basf Ag Verfahren zur stabilisierung von nadelfoermigem ferromagnetischem chromdioxid
EP0238069B1 (en) * 1986-03-20 1993-02-10 Hitachi Maxell Ltd. Magnetic recording medium
DE3610411A1 (de) * 1986-03-27 1987-10-01 Basf Ag Verfahren zur stabilisierung von nadelfoermigem ferromagnetischem chromdioxid
JPH0760520B2 (ja) * 1986-07-09 1995-06-28 日立マクセル株式会社 磁性粉およびこれを用いた磁気記録媒体
KR100254084B1 (ko) * 1991-10-01 2000-04-15 스프레이그 로버트 월터 동시 압출된 압감 접착 테이프 및 이의 제조 방법
BRPI0403713B1 (pt) * 2004-08-30 2021-01-12 Universidade Estadual De Campinas - Unicamp processo de fabricação de um pigmento branco baseado na síntese de partículas ocas de ortofosfato ou polifosfato de alumínio
US7763359B2 (en) * 2004-08-30 2010-07-27 Bunge Fertilizantes S.A. Aluminum phosphate, polyphosphate and metaphosphate particles and their use as pigments in paints and method of making same
HUE032934T2 (en) 2006-08-11 2017-11-28 Bunge Amorphic Solutions Llc Preparation of aluminum phosphate or polyphosphate particles
US9023145B2 (en) * 2008-02-12 2015-05-05 Bunge Amorphic Solutions Llc Aluminum phosphate or polyphosphate compositions
AR075381A1 (es) * 2009-02-10 2011-03-30 Unicamp Uso de particulas de fosfato, polifosfato y metafosfato, de aluminio en aplicaciones de recubrimiento de papeles.
US9005355B2 (en) 2010-10-15 2015-04-14 Bunge Amorphic Solutions Llc Coating compositions with anticorrosion properties
US9371454B2 (en) 2010-10-15 2016-06-21 Bunge Amorphic Solutions Llc Coating compositions with anticorrosion properties
US10577543B2 (en) * 2011-10-27 2020-03-03 Raymond Roger Wallage Efficient oil shale recovery method
US9550943B2 (en) 2011-10-27 2017-01-24 Raymond Roger Wallage Efficient oil shale recovery method
US9611147B2 (en) 2012-04-16 2017-04-04 Bunge Amorphic Solutions Llc Aluminum phosphates, compositions comprising aluminum phosphate, and methods for making the same
US9155311B2 (en) 2013-03-15 2015-10-13 Bunge Amorphic Solutions Llc Antimicrobial chemical compositions
US9078445B2 (en) 2012-04-16 2015-07-14 Bunge Amorphic Solutions Llc Antimicrobial chemical compositions
FR2998815B1 (fr) * 2012-12-03 2017-01-27 Arkema France Catalyseur prepare par broyage reactif

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686031A (en) * 1969-11-26 1972-08-22 Du Pont Metal phosphate coated ferromagnetic chromium oxide and its preparation
DE2120206A1 (de) * 1971-04-24 1972-11-02 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Ferromagnetische Chromdioxidkristalle
US3811942A (en) * 1971-12-28 1974-05-21 Du Pont Phosphorus-modified ferromagnetic chromium dioxide
SE404274B (sv) * 1972-05-24 1978-09-25 Montedison Spa Stabiliserad kromdioxid
US4068038A (en) * 1972-05-24 1978-01-10 Montecatini Edison S.P.A. Stabilized chromium dioxide compositions
DE2249273A1 (de) * 1972-10-07 1974-04-18 Bayer Ag Stabilisiertes, ferromagnetisches chromdioxid und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
GB1573857A (en) 1980-08-28
BR7802124A (pt) 1979-04-03
US4169802A (en) 1979-10-02
ES468596A1 (es) 1979-09-16
JPS53146994A (en) 1978-12-21
FR2386486A1 (fr) 1978-11-03
DE2814407A1 (de) 1978-10-19
DK146478A (da) 1978-10-08
DD135374A5 (de) 1979-05-02
NL7803520A (nl) 1978-10-10

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