Electrophotographic toner containing metal complex charge contro

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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G03G 908

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046831886

ABSTRACT:
A compound having the formula: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a hydrogen atom, an alkyl group having from 1 to 22 carbon atoms, an unsubstituted or substituted aromatic group having from 6 to 20 carbon atoms and an aralkyl group having from 7 to 20 carbon atoms, and A.sup..crclbar. is a molybdic acid anion, a tungstic acid anion or a heteropolyacid anion containing molybdenum or tungsten atoms.

REFERENCES:
patent: 4624907 (1986-11-01), Niimura et al.

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