COATED CERIUM SUBOXIDE PARTICLES AND PREPARATION THEREOF BY FLAME SPRAY PYROLYSIS

Abstract: the present invention relates to coated cerium suboxide particles, to a process for preparing coated cerium oxide or suboxide particles by means of flame spray pyrolysis technology, to the cerium oxide particles resulting from such a process, to compositions comprising such particles and also to the uses thereof.

Inventor(s): Valérie Jeanne-Rose, Henri Samain, Maria Louloudi, Yiannis Deligiannakis

CPC Classification: C01F17/235 (COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS (metal hydrides {monoborane, diborane or addition complexes thereof} ; salts of oxyacids of halogens ; peroxides, salts of peroxyacids ; sulfides or polysulfides of magnesium, calcium, strontium, or barium ; thiosulfates, dithionites, polythionates ; compounds containing selenium or tellurium ; binary compounds of nitrogen with metals ; azides ; {compounds other than ammonia or cyanogen containing nitrogen and non-metals and optionally metals ; amides or imides of silicon }; metal {imides or} amides , {}; nitrites ; {compounds of noble gases }; phosphides ; salts of oxyacids of phosphorus ; carbides ; compounds containing silicon ; compounds containing boron ; compounds having molecular sieve properties but not having base-exchange properties ; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, ; cyanides ; salts of cyanic acid ; salts of cyanamide ; thiocyanates ; {double sulfates of magnesium with sodium or potassium ; with other alkali metals , }))

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