C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/123
C09K 11/77 (2006.01)
Patent
CA 1116390
PHN. 8656. 26-11-1977. ABSTRACT : Luminescent aluminate with magnetoplumbite crystal structure, activated by cerium, by cerium and terbium or by cerium and manganese. The aluminate comprises at least one of the elements B, Si and P in a quantity of 0.001 to 0.20 mole per mole of aluminate which results in improved properties of luminescence. These aluminates are preferably used in low-pressure mercury vapour discharge lamps. - 19 -
294839
Schetters Cornelis W.a.
Sonneveld Abraham
Tak Marinus G.a.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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