Liquid development using conductive inks

Details Liquid development using conductive inks Liquid development using conductive inks

1976-07-19

1977-11-22

Klein, David

Gas separation: apparatus

Magnetic separating means

252 621L, G03G 904, G03G 1310

Patent

active

040594440

ABSTRACT:
A method and ink composition for development of an electrostatic latent image with liquid developer is disclosed. The liquid developer has a viscosity suitable for convenient application to an imaged surface in the development of latent electrostatic images and has improved conductivity resulting from incorporating conductivity control agents in the form of quaternary ammonium compounds which are soluble in the carrier of the ink composition. The conductive ink composition comprises a coloring agent, optionally a binder and a dispersing agent, a carrier and a quaternary ammonium compound soluble in the liquid carrier.

REFERENCES:
patent: 3084043 (1963-04-01), Gundlach
patent: 3720619 (1973-03-01), Inoue et al.
patent: 3729418 (1973-04-01), Machida et al.
patent: 3729419 (1973-04-01), Honjo et al.
patent: 3841893 (1974-10-01), Honjo et al.

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