Double-color ink and writing utensil containing the same

The object of the present invention is to provide a double-color ink which is capable of producing a double-color effect stably for a long period of time. The present invention relates to a double-color ink comprising (1) metal powder pigments, (2) water, (3) at least one water-soluble organic solve...

Full description

Saved in:
Bibliographic Details
Main Authors YOSHIMURA YASUYUKI, NAKATANI YASUNORI
Format Patent
LanguageEnglish
Published 16.03.2004
Edition7
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:The object of the present invention is to provide a double-color ink which is capable of producing a double-color effect stably for a long period of time. The present invention relates to a double-color ink comprising (1) metal powder pigments, (2) water, (3) at least one water-soluble organic solvent selected from the group consisting of alcohols, glycols and glycol ethers having a branched hydrophobic group(s) and (4) at least one water-soluble dye selected from the group consisting of anthraquinone dyes, carbonium dyes and metal complex dyes; and a writing utensil using the same as an ink.
Bibliography:Application Number: US20010720901