Title:
IMPROVED MAGENTA INK RECIPE
Document Type and Number:
Japanese Patent JP2002294126
Kind Code:
A
Abstract:
To obtain a magenta ink having a high plain paper chroma and a decreased moisture bleed/hue shift.
The magenta ink contains (a) a dye compound represented by the structural formula (wherein Q is a cation) and (b) a medium comprising water alone or a mixture of water with an organic solvent.
Inventors:
ADAMIC RAYMOND J
LAUW HIANG P
LAUW HIANG P
Application Number:
JP2002055490A
Publication Date:
October 09, 2002
Filing Date:
March 01, 2002
Export Citation:
Assignee:
HEWLETT PACKARD CO
International Classes:
B41M5/00; C09B43/16; C09B67/26; B41J2/01; C09D11/00; (IPC1-7): C09D11/00; B41J2/01; B41M5/00
Attorney, Agent or Firm:
Kaoru Furuya (3 outside)
Previous Patent: INK JET INK COMPOSITION
Next Patent: HEAT-SENSITIVE INK AND TEMPERATURE HYSTERESIS INDICATOR USING THE SAME
Next Patent: HEAT-SENSITIVE INK AND TEMPERATURE HYSTERESIS INDICATOR USING THE SAME