Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1993-06-16
1996-07-30
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
347105, 106 20D, 106 21R, 503201, G01D 1516, C09D 1102
Patent
active
055416330
ABSTRACT:
Disclosed is a process which comprises (1) incorporating into a printing apparatus capable of generating ink jet images a carbonless paper set comprising a first sheet, a second sheet, and optional intermediate sheets situated between the first sheet and second sheet, wherein the first sheet comprises paper coated on one surface with a color former and the second sheet comprises paper coated on one surface with a color developer, and wherein, when the carbonless paper set is assembled, the surface of the first sheet coated with the color former is in contact with the surface of a sheet coated with the color developer and the surface of the second sheet coated with the color developer is in contact with the surface of a sheet coated with the color former; (2) incorporating into the printing apparatus an ink jet ink comprising (a) water; (b) a member selected from the group consisting of glycols, sulfolane, and mixtures thereof; (c) optionally, a member selected from the group consisting of ethanol, isopropanol, n-butanol, benzyl alcohol, hexanetriol, 1,6-hexanediol, 1,5-pentanediol, 1,4-butanediol, 1,3-butanediol, and mixtures thereof; (d) diethylene glycol monobutyl ether; (e) optionally, dipropylene glycol monomethyl ether acetate; and (f) a marking material which is substantially colorless and detectable when exposed to radiation outside of the visible wavelength range; and (3) causing droplets of the ink to be ejected in an imagewise pattern onto at least one surface of at least one of the sheets of the carbonless paper set.
REFERENCES:
patent: 4143381 (1979-03-01), Downie
patent: 4312268 (1982-01-01), King
patent: 4996184 (1991-02-01), Bevan et al.
patent: 5145518 (1992-09-01), Winnik et al.
patent: 5156675 (1992-10-01), Breton et al.
patent: 5174556 (1992-12-01), Taylor et al.
Breton Marcel P.
Sanders David J.
Winnik Francoise M.
Byorick Judith L.
Fuller Benjamin R.
Lund Valerie Ann
Xerox Corporation
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