Toner compositions with negative charge enhancing additives

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 9097

Patent

active

053003870

ABSTRACT:
A negatively charged toner composition comprised of a polymer or polymers, a colorant or colorants, optional surface additives, and a metal complex charge enhancing additive obtained from the reaction of a hydroxybenzoic acid and a base with a mixture of a metal ion and an aromatic dicarboxylic acid.

REFERENCES:
patent: 4206064 (1980-06-01), Kiuchi et al.
patent: 4298672 (1981-11-01), Lu
patent: 4403027 (1983-09-01), Ishikawa et al.
patent: 4407924 (1983-10-01), Senshu et al.
patent: 4411974 (1983-10-01), Lu et al.
patent: 4845003 (1989-07-01), Kiriu et al.

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