Electrostatic process using liquid developer comprising polymeri

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 1310

Patent

active

042230861

ABSTRACT:
Liquid developers for electrography are provided containing soluble polymeric dispersing agents that comprise a phosphonate moiety. The phosphonate moiety comprises a phosphonic acid group, a half-ester of a phosphonic acid group, or a salt of either of these groups.

REFERENCES:
patent: 3681243 (1972-08-01), Okuno et al.
patent: 3793015 (1974-02-01), Van Engeland et al.
patent: 3849165 (1974-11-01), Stahly et al.

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