Global Patent Index - EP 2417214 A1

EP 2417214 A1 20120215 - COMPOSITION CONTAINING A CORE/SHELL CERIUM AND/OR TERBIUM PHOSPHATE, PHOSPHOR FROM SAID COMPOSITION, AND METHODS FOR PREPARING SAME

Title (en)

COMPOSITION CONTAINING A CORE/SHELL CERIUM AND/OR TERBIUM PHOSPHATE, PHOSPHOR FROM SAID COMPOSITION, AND METHODS FOR PREPARING SAME

Title (de)

ZUSAMMENSETZUNG MIT EINEM KERNMANTEL CER- UND/ODER TERBIUMPHOSPHAT, LEUCHTSTOFF DARAUS SOWIE VERFAHREN ZUR HERSTELLUNG DAVON

Title (fr)

COMPOSITION COMPRENANT UN PHOSPHATE DE CERIUM ET/OU DE TERBIUM, DE TYPE COEUR/COQUILLE, LUMINOPHORE ISSU DE CETTE COMPOSITION ET LEURS PROCEDES DE PREPARATION

Publication

EP 2417214 A1 20120215 (FR)

Application

EP 10709728 A 20100319

Priority

  • EP 2010053596 W 20100319
  • FR 0901372 A 20090324

Abstract (en)

[origin: WO2010108860A1] The composition of the invention contains particles consisting of a mineral core and a shell that uniformly covers the mineral core, said shell being made of a cerium and/or terbium phosphate, or optionally with lanthanum. The composition is characterized in that it contains potassium at a maximum potassium content of 7000 ppm. The phosphor of the invention is obtained by calcining said composition at at least 1000°C.

IPC 8 full level

C09K 11/02 (2006.01); C01B 25/45 (2006.01); C09K 11/81 (2006.01)

CPC (source: EP KR US)

C01B 25/45 (2013.01 - EP KR US); C09K 11/02 (2013.01 - EP KR US); C09K 11/77 (2013.01 - KR); C09K 11/7778 (2013.01 - EP US)

Citation (search report)

See references of WO 2010108860A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

WO 2010108860 A1 20100930; CA 2752196 A1 20100930; CA 2752196 C 20140311; CN 102361954 A 20120222; EP 2417214 A1 20120215; FR 2943658 A1 20101001; FR 2943658 B1 20110722; JP 2012521460 A 20120913; JP 5525031 B2 20140618; KR 101316984 B1 20131011; KR 20110129439 A 20111201; US 2012049117 A1 20120301

DOCDB simple family (application)

EP 2010053596 W 20100319; CA 2752196 A 20100319; CN 201080012840 A 20100319; EP 10709728 A 20100319; FR 0901372 A 20090324; JP 2012501257 A 20100319; KR 20117022405 A 20100319; US 201013259304 A 20100319