Patent number: 5837409
Abstract: Toners comprised of a cyan toner, a magenta toner, a yellow toner, an orange toner, a green toner, and a black toner, each of said toners being comprised of resin and pigment; and wherein the pigment for the orange toner is Orange 5, C.I. number 12075, Orange 13, C.I. number 21110, Orange 16, C.I. number 21160, or Orange 34, C.I. number 21115, and the pigment for the green toner is Green 7, C.I. number 74260, or Green 36, C.I. number 74265, and wherein said pigment for each toner, excluding black, is prepared by flushing each of said pigments, wherein a cyan, magenta, yellow, orange, and green pigment water wet cake is mixed with toner resin, and the water is removed, or substantially removed to generate pigmented resins.
Type:
Grant
Filed:
November 19, 1997
Date of Patent:
November 17, 1998
Assignee:
Xerox Corporation
Inventors:
Jacques C. Bertrand, Roger N. Ciccarelli, Edul N. Dalal, Sue E. Blaszak, Kristen M. Natale-Hoffman, Thomas R. Pickering