Ink Jet Ink
AssigneeEvonik Degussa GmbH
InventorsGerd Tauber, Werner Kalbitz, Ralph McIntosh, Christoph Batz-Sohn, Alfons Karl
Life of this patent
Estimating the term…
Abstract
Ink jet ink containing at least one pigment and at least one oxidized carbon black. The ink jet ink is prepared in a process wherein the pigment is dispersed in at least one solvent, followed by addition of the oxidized carbon black and renewed dispersing. The ink jet ink can be used for printing textiles, metal, foil, film, sheet, glass and paper.
Claims21
1-8. (canceled)
An ink jet ink, comprising at least one pigment and at least one oxidized carbon black.
A process for preparing the ink jet ink of claim 1, comprising:
- a) dispersing a pigment in at least one solvent;
- b) adding an oxidized carbon black;
- and
- c) dispersing said pigment and said oxidized carbon black in said solvent.
In an ink jet printing process, the improvement comprising reducing intercolour bleeding by using an ink comprising at least one pigment and at least one oxidized carbon black.
Dependencies are inferred from the claim text.