Positively charged toner compositions containing phosphonium cha

Details Positively charged toner compositions containing phosphonium cha Positively charged toner compositions containing phosphonium cha

1984-06-18

1985-08-27

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

G03G 912

Patent

active

045378487

ABSTRACT:
Disclosed are improved positively charged toner composition comprised of resin particles, pigment particles, and as a charge enhancing additive a phosphonium compound of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4, are selected from the group consisting of alkyl, aryl, substituted alkyl, and substituted aryl, and A is an anion.

REFERENCES:
patent: 3804764 (1974-04-01), Strella et al.
patent: 4299903 (1981-11-01), Au Clair et al.
patent: 4378419 (1983-03-01), Ciccarelli

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