Aqueous ink jet inks for postal metering
 Aqueous, fluorescent red ink jet inks which meet US Postal Service requirements for metered mail are disclosed and comprise an aqueous vehicle, a red or magenta pigment, a polymeric dispersant, a fluorescent dye and, optionally a hydrotrope additive. 
E. I. du Pont de Nemours and Company
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C09D C09D
inventional inventional
John Morrow David Alvin Loretta Ann Grezzo Richard D.
Gardner Tyvoll Page Bauer