BE768449A - Procede permettant d'isoler un compose des terres rares luminescent - Google Patents

Procede permettant d'isoler un compose des terres rares luminescent

Info

Publication number
BE768449A
BE768449A BE768449A BE768449A BE768449A BE 768449 A BE768449 A BE 768449A BE 768449 A BE768449 A BE 768449A BE 768449 A BE768449 A BE 768449A BE 768449 A BE768449 A BE 768449A
Authority
BE
Belgium
Prior art keywords
insulating
earth compound
luminescent rare
luminescent
rare
Prior art date
Application number
BE768449A
Other languages
English (en)
French (fr)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BE768449A publication Critical patent/BE768449A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/01—Recovery of luminescent materials
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/218—Yttrium oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/288—Sulfides
    • C01F17/294—Oxysulfides
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Luminescent Compositions (AREA)
BE768449A 1970-06-13 1971-06-11 Procede permettant d'isoler un compose des terres rares luminescent BE768449A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7008684A NL7008684A (de) 1970-06-13 1970-06-13

Publications (1)

Publication Number Publication Date
BE768449A true BE768449A (fr) 1971-12-13

Family

ID=19810319

Family Applications (1)

Application Number Title Priority Date Filing Date
BE768449A BE768449A (fr) 1970-06-13 1971-06-11 Procede permettant d'isoler un compose des terres rares luminescent

Country Status (7)

Country Link
JP (1) JPS524513B1 (de)
BE (1) BE768449A (de)
CA (1) CA969347A (de)
DE (1) DE2126892C3 (de)
FR (1) FR2095235B1 (de)
GB (1) GB1333329A (de)
NL (1) NL7008684A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448498C3 (de) * 1974-10-11 1981-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Wiedergewinnen eines Oxidleuchtstoffes der Seltenen Erden
US9234128B2 (en) 2012-08-27 2016-01-12 General Electric Company Chemical bleaching for improved performance of recycled lamp phosphors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3523904A (en) * 1967-08-28 1970-08-11 Motorola Inc Process for reclaiming contaminated phosphors

Also Published As

Publication number Publication date
GB1333329A (en) 1973-10-10
NL7008684A (de) 1971-12-15
FR2095235B1 (de) 1976-03-19
FR2095235A1 (de) 1972-02-11
DE2126892C3 (de) 1979-01-04
DE2126892A1 (de) 1971-12-16
DE2126892B2 (de) 1978-05-03
JPS524513B1 (de) 1977-02-04
CA969347A (en) 1975-06-17

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN

Effective date: 19890630