Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1984-07-16
1986-09-30
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...
G03G 902
Patent
active
046146997
ABSTRACT:
A liquid developer for electrostatic images which comprises at least one charge controlling agent selected from the group consisting of compounds represented by formula (I) or (II) and complex salts containing a molecular structure shown by the formula (I) or (II): ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, an alkyl and substituted alkyl group, an aryl and a substituted aryl group, an aralkyl group, an aliphatic acyl group, an aromatic acyl group, an alkylsulfonyl group, an arylsulfonyl group, R.sup.1 and R.sup.2 represent identical group or different groups, or R.sup.1 and R.sup.2 together form a heterocyclic ring with the nitrogen atom in the formulae, and when one of R.sup.1 and R.sup.2 represents a hydrogen atom, the other represents a group other than a hydrogen atom;
REFERENCES:
patent: 2892794 (1959-06-01), Insalaco
patent: 3826747 (1974-07-01), Nagashima et al.
patent: 4206064 (1980-03-01), Kinchi et al.
Kitatani Katsugi
Murata Masataka
Suzuki Nobuo
Yokoya Hiroaki
Fuji Photo Film Co. , Ltd.
Welsh John D.
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