C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/130
C09K 11/77 (2006.01)
Patent
CA 1061102
ABSTRACT OF THE DISCLOSURE: A luminescent cerium-activated alkaline earth aluminate defined by the formula Me1-x-yCexAyAl12019+0.5(x-y), where Me represents at least one of the alkaline earth metals strontium and calcium and A represents at least one of the alkali metals sodium, potassium and rubidium, in which up to 25 mol % of aluminium may be replaced by gallium and in which 0.005?x?0.30 and 0?y?0.30.
219522
Schetters Cornelis W.a.
Van de Spijker Willebrordus H.m.m.
Verstegen Judicus M.p.j.
N.v. Philips Gloeilampenfabrieken
Na
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