Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – To produce color reproduction
Patent
1990-05-24
1992-06-30
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
To produce color reproduction
430106, G03G 909
Patent
active
051262215
ABSTRACT:
A set of color developers for use in multi-color electrophotography comprises (a) a yellow developer, (b) a magenta developer, (c) a cyan developer, and (d) a black developer, in which the viscoelasticity (tan.delta..sup.1) of each of the yellow developer, the magenta developer and the cyan developer is smaller than the viscoelasticity (tan.delta..sup.2) of the black developer at a storage modulus (G'(.omega.)) of 10.sup.5 dyn/cm.sup.2. This set of color developers is particularly suitable for use with a digital multi-color electrophotography.
REFERENCES:
patent: 4533614 (1985-08-01), Fukumoto et al.
patent: 4795689 (1989-01-01), Matsubara et al.
patent: 4908290 (1990-03-01), Watanabe et al.
Chiba Shunichi
Inoue Satoru
Matsui Akio
Mochizuki Chiharu
Okamoto Yoshihisa
Goodrow John
Ricoh & Company, Ltd.
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