Title:
INK-JET INK SET AND REDUCTION OF COLOR BLEED
Document Type and Number:
Japanese Patent JP3454868
Kind Code:
B2
Abstract:
PURPOSE: To obtain an ink-jet ink set reducing color bleed between printed coloring agents (between an yellow ink and a cyan, a magenta and a black ink) adjacent to each other in thermal ink-jet printing.
CONSTITUTION: An ink-jet ink set is used for a thermal ink-jet printing and consists of a cyan, a magenta, a yellow and a black inks. Therein the black ink contains at least one anionic dye and the yellow ink contains (a) at least one cationic dye and (b) about 1-10 wt.% of a multi-valent precipitating agent.
Inventors:
John El Stoffel
Application Number:
JP17607693A
Publication Date:
October 06, 2003
Filing Date:
June 23, 1993
Export Citation:
Assignee:
HEWLETT-PACKARD COMPANY
International Classes:
B41M5/00; C09D11/00; C09D11/02; (IPC1-7): C09D11/00; B41M5/00; C09D11/02
Attorney, Agent or Firm:
Akihiro Ohnishi
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