C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/128, 117/22,
C09K 11/77 (2006.01)
Patent
CA 1137295
1 PHN 9013 ABSTRACT: Luminescent bivalent europium-activated barium borophosphates having defined compositions by the formula Ba3-pEupBP3O12, where 0.02?p?0.50. A quantity of not more than 20 mole % of the Ba may be replaced by Sr and/or Ca. The borophosphate can be used in luminescent screens of low-pressure mercury vapour discharge lamps.
319143
Seuter Antonius M.j.h.
Van Den Boom Petrus F.j.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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