Coating processes – Nonuniform coating – Applying superposed diverse coatings or coating a coated base
Patent
1990-08-22
1993-03-23
Lawrence, Evan
Coating processes
Nonuniform coating
Applying superposed diverse coatings or coating a coated base
346 11, B05D 506, B05D 102, B05D 136
Patent
active
051962365
ABSTRACT:
Color printing characterized by high color density and color contrast is provided by jetting an ink composition composed of an optically clear, phase change base material and a primary subtractive color dye which is soluble in the base material onto the surface of a printing medium to form a multiplicity of closely spaced color dots or spots arranged to define a line or character on the medium. Each dot consists of one or more well defined, optically clear, semitransparent color layers each of which has a different color so that the observed color of each dot is a true subtractive mixture of the colors in the layers. Specific ink compositions are also disclosed.
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Helinski Richard R.
Howard Robert
Menhennett Herbert E.
Howtek, Inc.
Lawrence Evan
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