DE69703140T2 - Verfahren zur Herstellung von seltenem Erdphosphat mit niedrigem überstöchiometrischem Phosphorgehalt - Google Patents

Verfahren zur Herstellung von seltenem Erdphosphat mit niedrigem überstöchiometrischem Phosphorgehalt

Info

Publication number
DE69703140T2
DE69703140T2 DE69703140T DE69703140T DE69703140T2 DE 69703140 T2 DE69703140 T2 DE 69703140T2 DE 69703140 T DE69703140 T DE 69703140T DE 69703140 T DE69703140 T DE 69703140T DE 69703140 T2 DE69703140 T2 DE 69703140T2
Authority
DE
Germany
Prior art keywords
superstoichiometric
production
low
rare earth
phosphorus content
Prior art date
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.)
Expired - Fee Related
Application number
DE69703140T
Other languages
English (en)
Other versions
DE69703140D1 (de
Inventor
Yuji Kimura
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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 Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of DE69703140D1 publication Critical patent/DE69703140D1/de
Application granted granted Critical
Publication of DE69703140T2 publication Critical patent/DE69703140T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/37—Phosphates of heavy metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
DE69703140T 1996-07-10 1997-07-09 Verfahren zur Herstellung von seltenem Erdphosphat mit niedrigem überstöchiometrischem Phosphorgehalt Expired - Fee Related DE69703140T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18046096 1996-07-10

Publications (2)

Publication Number Publication Date
DE69703140D1 DE69703140D1 (de) 2000-10-26
DE69703140T2 true DE69703140T2 (de) 2001-05-17

Family

ID=16083619

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69703140T Expired - Fee Related DE69703140T2 (de) 1996-07-10 1997-07-09 Verfahren zur Herstellung von seltenem Erdphosphat mit niedrigem überstöchiometrischem Phosphorgehalt

Country Status (3)

Country Link
US (1) US5951958A (de)
EP (1) EP0818416B1 (de)
DE (1) DE69703140T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058922B4 (de) * 2003-12-17 2013-02-28 Osram Ag Verfahren zur Herstellung eines Phosphats der Lanthanoiden und daraus hergestelltes Phosphat

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2442414C (en) * 2001-04-23 2011-02-01 Anormed, Inc. Use of rare earth compounds for the prevention of kidney stone disease
US6716407B2 (en) * 2001-06-18 2004-04-06 The Boeing Company Monazite-based coatings for thermal protection systems
CN101460402B (zh) * 2006-06-05 2011-08-10 康宁股份有限公司 具有磷钇矿晶体结构的单相磷酸钇及其合成方法
US8545784B2 (en) * 2006-10-20 2013-10-01 Neo International Corp. Method for the production of rare earth containing phosphates
WO2014036505A2 (en) * 2012-09-02 2014-03-06 Global Tungsten & Powders Corp. Method for reducing tb and eu usage in tri-band phosphor fluorescent lamps
CN105129834B (zh) * 2015-09-29 2017-08-01 四川省乐山锐丰冶金有限公司 一种纳米级稀土氧化物粉体的制备方法
CN108017082B (zh) * 2018-01-19 2020-02-07 常州市卓群纳米新材料有限公司 一种有利于稳定纳米氧化铈颜色及状态的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU513068A1 (ru) * 1974-11-12 1976-05-05 Предприятие П/Я Г-4937 Способ получени люминофора на основе ванадат-фосфатов редкоземельных элементов
JPS60103008A (ja) * 1983-11-04 1985-06-07 Daiichi Kigenso Kagaku Kogyo Kk 結晶質リン酸ジルコニウムの製造方法
FR2661674B1 (fr) * 1990-05-04 1994-04-08 Rhone Poulenc Chimie Procede de fabrication d'oxalates doubles de terres rares, et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares, oxalates doubles et oxydes obtenus.
FR2672281B1 (fr) * 1991-02-04 1993-04-16 Rhone Poulenc Chimie Phosphate mixte de lanthane, terbium et cerium, procede de fabrication de celui-ci.
JPH07133485A (ja) * 1993-11-10 1995-05-23 Toshiba Corp 希土類燐酸塩蛍光体の製造方法
JP3027299B2 (ja) * 1994-05-30 2000-03-27 信越化学工業株式会社 希土類元素燐酸塩粒子およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058922B4 (de) * 2003-12-17 2013-02-28 Osram Ag Verfahren zur Herstellung eines Phosphats der Lanthanoiden und daraus hergestelltes Phosphat

Also Published As

Publication number Publication date
EP0818416A1 (de) 1998-01-14
US5951958A (en) 1999-09-14
DE69703140D1 (de) 2000-10-26
EP0818416B1 (de) 2000-09-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee