Electrophotographic developers containing sublaminate dyes

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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430106, 8470, G03G 914

Patent

active

042463319

ABSTRACT:
An electrophotographic developer is composed of particles comprising magnetic cores which are coated with an organic substance and at least one dyestuff which passes into the vapour state at a temperature in the range of from 100.degree. to 220.degree. C. at atmospheric pressure.

REFERENCES:
patent: 3060051 (1962-10-01), Johnson et al.
patent: 3386379 (1968-06-01), Gundlach et al.
patent: 3639245 (1972-02-01), Nelson
patent: 4145300 (1979-03-01), Hendriks

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