Color-television screen-coating room

Details Color-television screen-coating room Color-television screen-coating room

1978-05-01

1979-07-03

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204 96, 204105R, 204180R, 2523014R, C25C 100, C02C 512

Patent

active

041599314

ABSTRACT:
A method and an arrangement for separating a red rare-earth phosphor of a color-television picture tube from the sediment in the drain channels of a screen-coating room, which sediment contains, in addition to various impurities, zinc-sulfide-base and zinc-cadmium-base green and blue phosphors.

REFERENCES:
patent: 2887444 (1959-05-01), Lindstaedt
patent: 3162587 (1964-12-01), Zubryckyj
patent: 3348924 (1967-10-01), Levine et al.
patent: 3523904 (1970-08-01), Single
patent: 3575878 (1971-04-01), Mehalchick
patent: 3616326 (1971-10-01), Onstott
patent: 3650931 (1972-03-01), Henrie
patent: 3748240 (1973-07-01), Johnson et al.
patent: 3763050 (1973-10-01), Dikhoff et al.
patent: 3864273 (1975-02-01), Forbes et al.

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