NL7008683A - - Google Patents

Info

Publication number
NL7008683A
NL7008683A NL7008683A NL7008683A NL7008683A NL 7008683 A NL7008683 A NL 7008683A NL 7008683 A NL7008683 A NL 7008683A NL 7008683 A NL7008683 A NL 7008683A NL 7008683 A NL7008683 A NL 7008683A
Authority
NL
Netherlands
Application number
NL7008683A
Other versions
NL160228C (nl
NL160228B (nl
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 filed Critical
Priority to NL7008683A priority Critical patent/NL160228C/xx
Priority to DE19712126893 priority patent/DE2126893C3/de
Priority to CA115,072A priority patent/CA953903A/en
Priority to JP4066271A priority patent/JPS543158B1/ja
Priority to GB1990871A priority patent/GB1287240A/en
Priority to FR7121301A priority patent/FR2095234B1/fr
Priority to BE768448A priority patent/BE768448A/xx
Priority to US3763050D priority patent/US3763050A/en
Publication of NL7008683A publication Critical patent/NL7008683A/xx
Publication of NL160228B publication Critical patent/NL160228B/xx
Application granted granted Critical
Publication of NL160228C publication Critical patent/NL160228C/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 materials, e.g. electroluminescent or chemiluminescent
    • 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
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/224—Oxides or hydroxides of lanthanides
    • 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)
NL7008683A 1970-06-13 1970-06-13 Werkwijze voor het terugwinnen van een luminescerend oxisulfide, vanadaat of oxide van ten minste yttrium en/of een element uit de lanthaanreeks. NL160228C (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL7008683A NL160228C (nl) 1970-06-13 1970-06-13 Werkwijze voor het terugwinnen van een luminescerend oxisulfide, vanadaat of oxide van ten minste yttrium en/of een element uit de lanthaanreeks.
DE19712126893 DE2126893C3 (de) 1970-06-13 1971-05-29 Verfahren zur Wiedergewinnung von Leuchtstoffen der seltenen Erden
CA115,072A CA953903A (en) 1970-06-13 1971-06-08 Method of recovering a rare earth phosphor
GB1990871A GB1287240A (en) 1970-06-13 1971-06-10 Improvements relating to phosphor recovery
JP4066271A JPS543158B1 (https=) 1970-06-13 1971-06-10
FR7121301A FR2095234B1 (https=) 1970-06-13 1971-06-11
BE768448A BE768448A (fr) 1970-06-13 1971-06-11 Procede permettant d'isoler un compose des terres rares luminescent
US3763050D US3763050A (en) 1970-06-13 1971-06-11 Method of recovering a rare earth phosphor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7008683A NL160228C (nl) 1970-06-13 1970-06-13 Werkwijze voor het terugwinnen van een luminescerend oxisulfide, vanadaat of oxide van ten minste yttrium en/of een element uit de lanthaanreeks.

Publications (3)

Publication Number Publication Date
NL7008683A true NL7008683A (https=) 1971-12-15
NL160228B NL160228B (nl) 1979-05-15
NL160228C NL160228C (nl) 1979-10-15

Family

ID=19810318

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7008683A NL160228C (nl) 1970-06-13 1970-06-13 Werkwijze voor het terugwinnen van een luminescerend oxisulfide, vanadaat of oxide van ten minste yttrium en/of een element uit de lanthaanreeks.

Country Status (7)

Country Link
US (1) US3763050A (https=)
JP (1) JPS543158B1 (https=)
BE (1) BE768448A (https=)
CA (1) CA953903A (https=)
FR (1) FR2095234B1 (https=)
GB (1) GB1287240A (https=)
NL (1) NL160228C (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864273A (en) * 1972-11-13 1975-02-04 Gen Electric Process for reclaiming rare-earth phosphors
US3954657A (en) * 1973-05-14 1976-05-04 Zenith Radio Corporation Process for reclaiming rare earth oxysulfide phosphor material
US3941714A (en) * 1974-12-23 1976-03-02 Gte Sylvania Incorporated Process for reclaiming rare earth oxysulfide phosphors
DE2720668C3 (de) * 1977-05-07 1980-03-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und Vorrichtung zum Isolieren eines Seltene-Erden-Oxysulfid-Leuchtstoffes aus dem Sediment der Schirmraumabflußkanäle
US4386056A (en) * 1982-07-30 1983-05-31 Westinghouse Electric Corp. Recovery of yttrium and europium from contaminated solutions
US4432948A (en) * 1982-07-30 1984-02-21 U.S. Philips Corporation Recovery of yttrium and europium from contaminated solutions
US4473488A (en) * 1982-10-06 1984-09-25 International Standard Electric Corporation Process for reclaiming rare-earth metallic oxide and/or rare-earth metallic oxysulfide phosphors
FR2589850B1 (fr) * 1985-11-08 1990-08-31 Rhone Poulenc Spec Chim Perfectionnement a un procede de production d'hydroxydes de terres rares par traitement de minerais contenant des phosphates de terres rares
JPH0739577B2 (ja) * 1990-01-22 1995-05-01 化成オプトニクス株式会社 蛍光体の処理方法
JPH075883B2 (ja) * 1990-04-21 1995-01-25 日亜化学工業株式会社 蛍光体の再生方法
US5362459A (en) * 1993-05-17 1994-11-08 Pure-Etch Co. Neodymium recovery process
US8137645B2 (en) * 2010-02-23 2012-03-20 General Electric Company Rare earth recovery from fluorescent material and associated method
US8282703B2 (en) 2010-12-20 2012-10-09 General Electric Company Rare earth recovery from phosphor material and associated method
CN102766451A (zh) * 2012-06-29 2012-11-07 彩虹集团电子股份有限公司 一种ccfl用三基色荧光粉回收粉的再生方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348924A (en) * 1964-05-28 1967-10-24 Gen Telephone & Elect Recovering excess vanadate phosphor removed from a cathodoluminescent screen
US3360674A (en) * 1964-11-23 1967-12-26 Sylvania Electric Prod Europium and bismuth activated yttrium vanadate phosphor
US3368980A (en) * 1964-12-24 1968-02-13 Gen Telephone & Elect Method of preparing yttrium oxide phosphors
US3474040A (en) * 1965-06-18 1969-10-21 Sylvania Electric Prod Phosphor reclamation
US3523904A (en) * 1967-08-28 1970-08-11 Motorola Inc Process for reclaiming contaminated phosphors
US3577351A (en) * 1969-01-30 1971-05-04 Sylvania Electric Prod Method for the recovery of rare earth oxides
US3625659A (en) * 1970-05-28 1971-12-07 Sylvania Electric Prod Phosphor reclamation from a slurry

Also Published As

Publication number Publication date
GB1287240A (en) 1972-08-31
JPS543158B1 (https=) 1979-02-19
DE2126893B2 (de) 1976-05-26
DE2126893A1 (de) 1971-12-16
BE768448A (fr) 1971-12-13
CA953903A (en) 1974-09-03
FR2095234A1 (https=) 1972-02-11
US3763050A (en) 1973-10-02
FR2095234B1 (https=) 1975-01-17
NL160228C (nl) 1979-10-15
NL160228B (nl) 1979-05-15

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: PHILIPS