Vesicle ink compositions

C - Chemistry – Metallurgy – 09 – D

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C09D 11/02 (2006.01) A61K 9/127 (2006.01) B01J 13/02 (2006.01) C09D 11/00 (2006.01)

Patent

CA 1304894

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 there- with 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.

554618

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