FR2238672A1 - - Google Patents

Info

Publication number
FR2238672A1
FR2238672A1 FR7425905A FR7425905A FR2238672A1 FR 2238672 A1 FR2238672 A1 FR 2238672A1 FR 7425905 A FR7425905 A FR 7425905A FR 7425905 A FR7425905 A FR 7425905A FR 2238672 A1 FR2238672 A1 FR 2238672A1
Authority
FR
France
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
FR7425905A
Other languages
French (fr)
Other versions
FR2238672B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2238672A1 publication Critical patent/FR2238672A1/fr
Application granted granted Critical
Publication of FR2238672B1 publication Critical patent/FR2238672B1/fr
Expired 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
    • C01G49/06—Ferric oxide [Fe2O3]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
FR7425905A 1973-07-27 1974-07-25 Expired FR2238672B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732338212 DE2338212C3 (de) 1973-07-27 1973-07-27 Verfahren zur Herstellung von nadeiförmigem Goethit

Publications (2)

Publication Number Publication Date
FR2238672A1 true FR2238672A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-02-21
FR2238672B1 FR2238672B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-10-14

Family

ID=5888168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425905A Expired FR2238672B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-27 1974-07-25

Country Status (4)

Country Link
JP (1) JPS542920B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2338212C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2238672B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1462918A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633384A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1962-06-08 1963-12-09

Also Published As

Publication number Publication date
GB1462918A (en) 1977-01-26
DE2338212B2 (de) 1979-03-22
DE2338212C3 (de) 1979-11-08
DE2338212A1 (de) 1975-02-13
FR2238672B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-10-14
JPS5081999A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-07-03
JPS542920B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse