Vesicle ink compositions
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United States of America Patent
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Nov 8, 1988
Grant Date -
N/A
app pub date -
Dec 18, 1986
filing date -
Dec 18, 1986
priority date (Note) -
Expired
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Abstract
Ink compositions consisting of small unilamellar or multilamellar vesicles formed from surfactants of anionic, cationic, zwitterionic and nonionic molecules having an oil soluble dye, inclusive of a lipid-soluble dye associated therewith are described. The dye to surfactant ratio is preferably from about 1:1 to about 1:10. The compositions are useful in traditional printing techniques such as flexography and rotogravure and in electronic printing systems such as with an ink-jet printer.
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