Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1989-02-24
1990-09-04
Goodrow, John L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
G03G 909
Patent
active
049544101
ABSTRACT:
A novel negative charge color toner composition for electrostatic charge development having good light resistance and copy sharpness which contains, as a dyestuff in a toner resin, a 1-amino-2-phenoxy- or 2-thiophenoxy-4-hydroxyanthraquinone whose phenoxy or thophenoxy group is substituted and/or a 1,4-diamino-2,3-phenoxyanthraquinone whose phenoxy group is substitited, which can be conventionally produced.
REFERENCES:
patent: 4391893 (1983-07-01), Hendriks
Ghoda Isamu
Igata Akitoshi
Koshida Hitoshi
Mikoda Tamio
Ohyama Tsukasa
Goodrow John L.
Mitsui Toatsu Chemicals Incorporated
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