RARE EARTH COMPLEX AND APPLICATION FOR SAME

WIPO Patent Application WO/2014/065189

A1

　The purpose of this invention is to provide a rare earth complex having superior light-resistance compared to europium complexes of the prior art, and to provide an application for said complex. This rare earth complex is a complex containing a rare earth element such as Eu, wherein a ligand (a) selected from a group of ligands represented by general formula (A) is coordinated to the rare earth element in an amount of 0.8-1.7 ligands per atom of rare earth element, a specific ligand (b) having a bipyridine skeleton or a phenanthroline skeleton is coordinated to the rare earth element in a quantity of 0.8-1.2 ligands per atom of the rare earth element, a specific ligand (c) having one diketonate structure in the ligand is coordinated to the rare earth element in a quantity of 0-1.4 ligands per atom of the rare earth element, and if the number of ligands (a) per atom of rare earth element is defined as α, and the number of ligands (c) is defined as γ, 2α + γ falls within the range of 3.0-3.4.

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KATOHNO MASATAKA (JP)

PCT/JP2013/078193

May 01, 2014

October 17, 2013

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KUREHA CORP (JP)

C07D471/04; C07C49/92; C07D333/22; C08K5/00; C08L101/00; C09K11/06; H01L31/042; C07F5/00

WO2008047427A1	2008-04-24
WO2011040391A1	2011-04-07
WO2012077485A1	2012-06-14
WO2011126118A1	2011-10-13

JP2011210891A	2011-10-20
JP2001094128A	2001-04-06
JP2007291063A	2007-11-08

SSINPAT PATENT FIRM (JP)
Patent business corporation SSINPAT (JP)

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