Inorganic fluoride reversal carrier coatings

Details Inorganic fluoride reversal carrier coatings Inorganic fluoride reversal carrier coatings

1977-08-11

1978-11-21

Goolkasian, John T.

Gas separation: apparatus

Magnetic separating means

252 621P, 427127, 427216, 148 63, 428403, 252 6255, G03G 910, G03G 914

Patent

active

041264584

ABSTRACT:
Electrostatographic developer mixtures comprising finely-divided toner particles electrostatically clinging to the surface of carrier particles comprising a core having an outer coating thereon comprising an inorganic metal fluoride. The carrier particles have negative triboelectric charging properties and are particularly useful in reversal development systems. Imaging processes are also disclosed.

REFERENCES:
patent: 2885313 (1969-05-01), Milliken et al.
patent: 2993819 (1961-07-01), Nessim
patent: 3021231 (1962-02-01), Samuel et al.
patent: 3592700 (1971-07-01), Toy
patent: 3935340 (1976-01-01), Yamaguchi et al.
patent: 3946134 (1976-03-01), Sherman
patent: 3947271 (1976-03-01), Munyel et al.
patent: 4017342 (1977-04-01), Geisler et al.

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