Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – To produce color reproduction
Patent
1992-06-08
1994-01-25
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
To produce color reproduction
430126, G03G 1301
Patent
active
052815021
ABSTRACT:
Disclosed is a process for forming two-color images which comprises (1) charging an imaging member in an imaging apparatus; (2) creating on the member a latent image comprising areas of high, intermediate, and low potential; (3) developing the low areas of potential with a colored developer comprising a colored first toner comprising a polymer resin selected from the group consisting of styrene-butadiene copolymers, styrene-acrylate copolymers, styrene-methacrylate copolymers, and mixtures thereof, a blue first colored pigment of the formula C.sub.32 H.sub.16 N.sub.8 Cu, a cetyl pyridinium chloride charge control agent, a 3,5-di-tertbutyl salicylate compound charge control agent, colloidal silica surface external additives, and metal stearate salt surface external additives; a colored second toner comprising a polymer resin selected from the group consisting of styrene-butadiene copolymers, styrene-acrylate copolymers, styrene-methacrylate copolymers, and mixtures thereof, a cyan second colored pigment of the formula C.sub.104 H.sub.164 N.sub.12 O.sub.8 S.sub.4 Cu, a charge control agent selected from the group consisting of distearyl dimethyl ammonium methyl sulfate and distearyl dimethyl ammonium bisulfate, colloidal silica surface external additives, and metal stearate salt surface external additives; and a color carrier comprising a core and a coating selected from the group consisting of methyl terpolymer, polymethyl methacrylate, and a blend of from about 35 to about 65 percent by weight of polymethylmethacrylate and from about 35 to about 65 percent by weight of chlorotrifluoroethylene-vinyl chloride copolymer, wherein the coating contains from 0 to about 40 percent by weight of the coating of conductive particles; (4) subsequently developing the high areas of potential with a black developer comprising a black toner comprising a second resin present selected from the group consisting of polyesters, styrene-butadiene polymers, styrene-acrylate polymers, styrene-methacrylate polymers, and mixtures thereof, a black pigment, and a charge control additive; and a black carrier comprising a core and a coating selected from the group consisting of chlorotrifluoroethylene-vinyl chloride copolymer containing from 0 to about 40 percent by weight of conductive particles; polyvinylfluoride; and polyvinylchloride; and (5) transferring the developed two-color image to a substrate.
REFERENCES:
patent: 3013890 (1961-12-01), Bixby
patent: 3045644 (1962-09-01), Schwertz
patent: 4078929 (1978-04-01), Gundlach
patent: 4264185 (1981-04-01), Ohta
patent: 4308821 (1982-01-01), Matsumoto
patent: 4312932 (1982-01-01), Hauser et al.
patent: 4378415 (1983-03-01), Chu
patent: 4395471 (1983-07-01), Hauser et al.
patent: 4430402 (1984-02-01), Tsushima
patent: 4500616 (1985-02-01), Haneda et al.
patent: 4524117 (1985-06-01), Maekawa et al.
patent: 4525447 (1985-06-01), Tanaka et al.
patent: 4539281 (1983-11-01), Tanaka et al.
patent: 4562129 (1985-11-01), Tanaka et al.
patent: 4594302 (1986-06-01), Kubo
patent: 4640883 (1987-02-01), Oka
patent: 4686163 (1987-08-01), Ng et al.
patent: 4948686 (1990-08-01), Koch et al.
patent: 5176974 (1993-01-01), Till et al.
Anderson Robert W.
Bigelow Richard W.
Brewington Grace T.
Julien Paul C.
Kremer Susan J.
Byorick Judith L.
Goodrow John
Xerox Corporation
LandOfFree
Tri-level imaging processes with adjustable color does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tri-level imaging processes with adjustable color, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tri-level imaging processes with adjustable color will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-726993