FR2095235A1 - - Google Patents

Info

Publication number
FR2095235A1
FR2095235A1 FR7121302A FR7121302A FR2095235A1 FR 2095235 A1 FR2095235 A1 FR 2095235A1 FR 7121302 A FR7121302 A FR 7121302A FR 7121302 A FR7121302 A FR 7121302A FR 2095235 A1 FR2095235 A1 FR 2095235A1
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
FR7121302A
Other languages
French (fr)
Other versions
FR2095235B1 (en
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 FR2095235A1 publication Critical patent/FR2095235A1/fr
Application granted granted Critical
Publication of FR2095235B1 publication Critical patent/FR2095235B1/fr
Expired legal-status Critical Current

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)
FR7121302A 1970-06-13 1971-06-11 Expired FR2095235B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2095235A1 true FR2095235A1 (en) 1972-02-11
FR2095235B1 FR2095235B1 (en) 1976-03-19

Family

ID=19810319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121302A Expired FR2095235B1 (en) 1970-06-13 1971-06-11

Country Status (7)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448498C3 (en) * 1974-10-11 1981-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Process for the recovery of a rare earth oxide phosphor
US9234128B2 (en) * 2012-08-27 2016-01-12 General Electric Company Chemical bleaching for improved performance of recycled lamp phosphors

Citations (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

Patent Citations (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
CA969347A (en) 1975-06-17
DE2126892A1 (en) 1971-12-16
BE768449A (en) 1971-12-13
FR2095235B1 (en) 1976-03-19
GB1333329A (en) 1973-10-10
DE2126892C3 (en) 1979-01-04
NL7008684A (en) 1971-12-15
DE2126892B2 (en) 1978-05-03
JPS524513B1 (en) 1977-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse