Treated ferromagnetic carrier particles for development powders

Details Treated ferromagnetic carrier particles for development powders Treated ferromagnetic carrier particles for development powders

1976-12-20

1978-01-31

Kendall, Ralph S.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

96 1SD, 252 621P, 260 296SQ, 260 4214, 252 6253, 252 6254, 427215, 427216, 427221, 427388R, 427 18, 428407, G03G 910, G03G 914

Patent

active

040716554

ABSTRACT:
Carrier particles of development powders are treated with a sodium salt of polystyrene sulfonic acid. As a result of the treatment, the triboelectric properties of the carrier particles are better controlled.

REFERENCES:
patent: 2718514 (1955-09-01), Fantl
patent: 2728740 (1955-12-01), Iler
patent: 2971947 (1961-02-01), Floria et al.
patent: 3206445 (1965-09-01), Volk
patent: 3718594 (1973-02-01), Miller
patent: 3764310 (1973-10-01), Hagenbach
patent: 3811880 (1974-05-01), Browning
patent: 3884871 (1975-05-01), Herman et al.
patent: 3922381 (1975-11-01), Datta
patent: 3969238 (1976-07-01), Tsuneda

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