Title:
CARBON BLACK PIGMENTED PHASE CHANGE INK FORMULATIONS
Document Type and Number:
Japanese Patent JP2014152333
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide phase change ink formulations for use in forming images of good quality.SOLUTION: An ink formulation comprises (a) an ink base, (b) a poly(hydroxystearic acid) derived dispersant and (c) a carbon black pigment. The ink base is present in an amount of at least 50 wt.% of the ink formulation and has a melting point of less than about 120°C. The carbon black pigment is present in an amount in the range from about 0.1 to about 10 wt.% of the ink formulation, and the dispersant is present in an amount in the range from about 0.03 to about 40 wt.% of the ink formulation.
Inventors:
RANDALL RAY BRIDGEMAN
MICHAEL MEINHARDT
SCOTT BROCE
KELLEY MOORE
ANTHONY YESNACH
JULE W THOMAS JR
MICHAEL MEINHARDT
SCOTT BROCE
KELLEY MOORE
ANTHONY YESNACH
JULE W THOMAS JR
Application Number:
JP2014018835A
Publication Date:
August 25, 2014
Filing Date:
February 03, 2014
Export Citation:
Assignee:
XEROX CORP
International Classes:
C09D11/00; B41J2/01; B41M5/00
Domestic Patent References:
| JP2011127114A | 2011-06-30 | |||
| JP2011126881A | 2011-06-30 | |||
| JP2005154774A | 2005-06-16 | |||
| JP2012072401A | 2012-04-12 |
Foreign References:
| US5902841A | 1999-05-11 | |||
| US20120309896A1 | 2012-12-06 |
Attorney, Agent or Firm:
Patent business corporation YKI international patent firm
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