Invisible fluorescent jet ink
First Claim
1. A jet ink composition suitable for printing marks on metal, glass, plastics, rubber, or paper comprising an ink carrier, a fluorescent colorant, a cellulosic binder resin, and a tetraalkyl ammonium or phosphonium salt, said marks having blush resistance, bleed resistance, or fade resistance.
2 Assignments
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Accused Products
Abstract
Disclosed is a jet ink composition suitable for printing marks on metal, glass, plastics, rubber, or paper comprising an ink carrier, a fluorescent colorant, a cellulosic binder resin, and a tetraalkyl ammonium or phosphonium salt. The jet printed marks do not blush, bleed, or fade, as a result of exposure to steam, or hot and cold water. Also disclosed is an improved process of jet printing on substrates comprising printing with the disclosed jet ink composition.
103 Citations
20 Claims
- 1. A jet ink composition suitable for printing marks on metal, glass, plastics, rubber, or paper comprising an ink carrier, a fluorescent colorant, a cellulosic binder resin, and a tetraalkyl ammonium or phosphonium salt, said marks having blush resistance, bleed resistance, or fade resistance.
- 19. In an improved process of jet printing on metal, glass, plastic, rubber, or paper substrates, the improvement comprising projecting a stream of ink droplets of a jet ink composition to the surface of said substrates and controlling the direction of the stream electronically so that the droplets are caused to form the desired printed mark on the surface, said marks having blush resistance, bleed resistance, or fade resistance, said jet ink comprising an ink carrier, a fluorescent colorant, a cellulosic binder resin, and a tetraalkyl ammonium or phosphonium salt.
Specification