Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1977-11-18
1980-12-23
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430119, 430137, G03G 912
Patent
active
042411599
ABSTRACT:
An electrostatic liquid developer for the development of electrostatic charge patterns comprises an electrically insulating carrier liquid having a dielectric constant of less than 3 and a volume resistivity in excess of 10.sup.9 Ohm.cm. In this electrically insulating carrier liquid are dispersed resin-precoated toner particles formed of a pigment or coloring agent precoated with a polymer of an acrylic or methacrylic acid ester of hydrogenated abietyl alcohol.
REFERENCES:
patent: 2613158 (1952-10-01), Walton
patent: 2877133 (1959-03-01), Mayer
patent: 3060020 (1963-05-01), Greig
patent: 3093039 (1963-06-01), Rheinfrank
patent: 3909433 (1975-09-01), Gilliams et al.
De Volder Noel J.
De Winter Walter F.
Gilliams Yvan K.
Priem Jan J.
AGFA-GEVAERT N.V.
Daniel William J.
Welsh John D.
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