IT1030063B - Originali sali metallorganici, polveri metalliche ottenute da tali sali e relativo procedimento di fabbricazione - Google Patents

Originali sali metallorganici, polveri metalliche ottenute da tali sali e relativo procedimento di fabbricazione

Info

Publication number
IT1030063B
IT1030063B IT69912/74A IT6991274A IT1030063B IT 1030063 B IT1030063 B IT 1030063B IT 69912/74 A IT69912/74 A IT 69912/74A IT 6991274 A IT6991274 A IT 6991274A IT 1030063 B IT1030063 B IT 1030063B
Authority
IT
Italy
Prior art keywords
salts
metallorganic
original
manufacturing process
powders obtained
Prior art date
Application number
IT69912/74A
Other languages
English (en)
Original Assignee
Graham Magnetics Inc
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 Graham Magnetics Inc filed Critical Graham Magnetics Inc
Application granted granted Critical
Publication of IT1030063B publication Critical patent/IT1030063B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • 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
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Catalysts (AREA)
  • Paints Or Removers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT69912/74A 1973-09-28 1974-09-27 Originali sali metallorganici, polveri metalliche ottenute da tali sali e relativo procedimento di fabbricazione IT1030063B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US401636A US3909240A (en) 1973-09-28 1973-09-28 Method of producing acicular metal crystals

Publications (1)

Publication Number Publication Date
IT1030063B true IT1030063B (it) 1979-03-30

Family

ID=23588582

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69912/74A IT1030063B (it) 1973-09-28 1974-09-27 Originali sali metallorganici, polveri metalliche ottenute da tali sali e relativo procedimento di fabbricazione

Country Status (11)

Country Link
US (2) US3909240A (it)
JP (1) JPS581162B2 (it)
BE (1) BE820488A (it)
CA (1) CA1046307A (it)
CH (1) CH620191A5 (it)
DE (1) DE2446332A1 (it)
FR (1) FR2278669A1 (it)
GB (1) GB1481054A (it)
IT (1) IT1030063B (it)
NL (1) NL7412776A (it)
SE (1) SE427352B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054530A (en) * 1973-09-28 1977-10-18 Graham Magnetics, Inc. Iron-nickel-cobalt magnetic powder and tape prepared therefrom
US4268302A (en) * 1975-07-11 1981-05-19 Graham Magnetics Incorporated Method of producing acicular metal crystals
JPS52155399A (en) * 1976-06-18 1977-12-23 Hitachi Maxell Method of manufacturing magnetic powder
DE2801452C2 (de) * 1978-01-13 1985-03-28 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches Aufzeichnungsmaterial
JPS59203224A (ja) * 1983-05-02 1984-11-17 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6011070U (ja) * 1983-07-04 1985-01-25 オリンパス光学工業株式会社 洗浄装置
US5260132A (en) * 1988-10-31 1993-11-09 Hitachi Maxell, Ltd. Acicular alloy magnetic powder
US5252380A (en) * 1988-10-31 1993-10-12 Hitachi Maxell, Ltd. Acicular alloy containing magnetic recording medium
JPH02225602A (ja) * 1988-11-29 1990-09-07 Daicel Chem Ind Ltd 焼結金属の製造法
US5230818A (en) * 1991-12-20 1993-07-27 Eastman Kodak Company Coating compositions for master media for anhysteretic recording
JP3205793B2 (ja) * 1996-12-19 2001-09-04 株式会社巴製作所 超微粒子及びその製造方法
FR2794672B1 (fr) * 1999-06-10 2001-09-07 Asb Aerospatiale Batteries Procede de preparation de poudres metalliques, poudres metalliques ainsi preparees et compacts incluant ces poudres
US20040225213A1 (en) 2002-01-22 2004-11-11 Xingwu Wang Magnetic resonance imaging coated assembly
US7091412B2 (en) 2002-03-04 2006-08-15 Nanoset, Llc Magnetically shielded assembly
US6846985B2 (en) 2002-01-22 2005-01-25 Nanoset, Llc Magnetically shielded assembly
US7162302B2 (en) 2002-03-04 2007-01-09 Nanoset Llc Magnetically shielded assembly
US20060140867A1 (en) * 2004-12-28 2006-06-29 Helfer Jeffrey L Coated stent assembly and coating materials
JP5605787B2 (ja) * 2008-07-14 2014-10-15 山陽特殊製鋼株式会社 垂直磁気記録媒体における軟磁性膜層用合金を成膜するためのスパッタリングターゲット材とその製造方法
WO2015030045A1 (ja) * 2013-08-30 2015-03-05 国立大学法人東北大学 多孔質金属ワイヤー、それを含有する膜、及びそれらの製造方法
US20230317369A1 (en) * 2020-06-01 2023-10-05 US Metals Refining Group, Inc. Production of magnetic materials

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999271A (en) * 1960-08-30 1961-09-12 Gen Electric Magnetic material
US3228882A (en) * 1963-01-04 1966-01-11 Chevron Res Dispersions of ferromagnetic cobalt particles
JPS5528129B1 (it) * 1967-08-10 1980-07-25
GB1272325A (en) * 1968-08-29 1972-04-26 Fuji Photo Film Co Ltd Process for the production of magnetic substances
US3574685A (en) * 1969-01-14 1971-04-13 Ibm Manufacture of magnetic particles by reacting iron,cobalt,or nickel salts with oxalic acid salts in dialkyl sulfoxide
US3661556A (en) * 1969-03-03 1972-05-09 Du Pont Method of making ferromagnetic metal powders
US3649541A (en) * 1969-07-10 1972-03-14 Du Pont Magnetic recording elements containing stabilized chromium dioxide a polyurethane binder and an isocyanate hardening agent
US3892673A (en) * 1971-03-24 1975-07-01 Graham Magnetics Inc Composition of metal salt crystals having a polymeric coating
US3803191A (en) * 1971-03-24 1974-04-09 Graham Magnetics Inc Acicular salts and their preparation
US3843349A (en) * 1971-03-24 1974-10-22 Graham Magnetics Inc Method of making fine powders
US3775098A (en) * 1971-12-27 1973-11-27 Sherritt Gordon Mines Ltd Cobalt precipitation from aqueous solutions
US3837912A (en) * 1972-05-22 1974-09-24 Minnesota Mining & Mfg Environmentally stable iron-based magnetic recording medium
US4004917A (en) * 1973-09-28 1977-01-25 Graham Magnetics Incorporated Acicular metallic powders produced from the organometallic salts
US3965046A (en) * 1974-09-26 1976-06-22 Graham Magnetics Incorporated Process of making metal powders and products produced thereby

Also Published As

Publication number Publication date
SE7412231L (it) 1975-05-09
US4061824A (en) 1977-12-06
NL7412776A (nl) 1975-04-02
US3909240A (en) 1975-09-30
CH620191A5 (it) 1980-11-14
FR2278669A1 (fr) 1976-02-13
DE2446332A1 (de) 1975-04-10
SE427352B (sv) 1983-03-28
BE820488A (fr) 1975-03-27
GB1481054A (en) 1977-07-27
CA1046307A (en) 1979-01-16
JPS581162B2 (ja) 1983-01-10
JPS5061366A (it) 1975-05-26
FR2278669B1 (it) 1978-05-05

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