Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1991-01-07
1992-05-19
Dixon, Jr., William R.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 21, 106 22, 106 30, C09D 1102
Patent
active
051144786
ABSTRACT:
A homogeneous ink for use in postage meter inking systems. The homogeneous ink is formulated by dissolving a coloring material composed of fluorescent toner in a non-volatile solution blend consisting of low molecular weight, low viscosity, non ionic surfactants with alcohol or ester terminal groups having an HLB number varying from 8 to 15 and glycols. Viscosity modifiers can be used as thinners and thickeners. A surface tension modifier compatible to the system of the polyether-alkl/polymethylsiloxane copolymers type can be added in trace concentrations. The ink components of this invention are all hazard free, non-hygroscopic and do not adversely affect the materials of the inking system in which they are used.
REFERENCES:
patent: 2970965 (1961-02-01), Switzer
patent: 3779780 (1973-12-01), Dyson
patent: 3961965 (1976-06-01), Zwahlen
patent: 4281329 (1981-07-01), Yano et al.
Auslander Judith
Hochwalt Norman C.
Sarada Thjagaraj
Dixon Jr. William R.
Klemanski Helene
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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