COATED RARE EARTH OXIDE COMPOSITIONS AND A PROCESS FOR PRODUCING SAME

1,269,329. Luminescent materials and uses thereof. G.T.E. SYLVANIA Inc. 30 Oct., 1970 [30 Oct., 1969], No. 51822/70. Heading C4S. [Also in Division C1] A process for preparing a composition e.g. for phosphor for colour T.V. crts and colour display systems, of a partially acid soluble rare earth oxid...

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