Title:
DECOLORING INK FOR INK JET PRINGING AND INK JET PRINTING METHOD USING IT
Document Type and Number:
WIPO Patent Application WO/2002/088265
Kind Code:
A1
Abstract:
A decoloring ink for ink jet printing containing an ang-khak pigment. An inclusion of an ang-khak pigment enables printed characters and/or images to be preserved as long as they are kept in the dark, but they are quickly decolored on exposure to visible light and/or ultraviolet light when they are no longer needed.
Inventors:
TSUYOSHI NAOKO (JP)
FUDOU RYOSUKE (JP)
YAMANAKA SHIGERU (JP)
FURUNAGA TOSHIKATSU (JP)
SATO KIMIKO (JP)
KONDO YOSHIYUKI (JP)
FUDOU RYOSUKE (JP)
YAMANAKA SHIGERU (JP)
FURUNAGA TOSHIKATSU (JP)
SATO KIMIKO (JP)
KONDO YOSHIYUKI (JP)
Application Number:
PCT/JP2002/004313
Publication Date:
November 07, 2002
Filing Date:
April 30, 2002
Export Citation:
Assignee:
AJINOMOTO KK (JP)
SPACE ENVIRONMENTAL TECHNOLOGY (JP)
TSUYOSHI NAOKO (JP)
FUDOU RYOSUKE (JP)
YAMANAKA SHIGERU (JP)
FURUNAGA TOSHIKATSU (JP)
SATO KIMIKO (JP)
KONDO YOSHIYUKI (JP)
SPACE ENVIRONMENTAL TECHNOLOGY (JP)
TSUYOSHI NAOKO (JP)
FUDOU RYOSUKE (JP)
YAMANAKA SHIGERU (JP)
FURUNAGA TOSHIKATSU (JP)
SATO KIMIKO (JP)
KONDO YOSHIYUKI (JP)
International Classes:
C09D11/00; (IPC1-7): C09D11/00; B41M5/00; B41J2/01
Foreign References:
JPH1148627A | 1999-02-23 | |||
JPH10110109A | 1998-04-28 | |||
JPH1180631A | 1999-03-26 | |||
JPH11172167A | 1999-06-29 |
Other References:
See also references of EP 1391486A4
Attorney, Agent or Firm:
Takaishi, Kitsuma (Tokyo, Tokyo, JP)
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