TW200734418A - Aqueous color-removable ink composition for writing tools - Google Patents

Aqueous color-removable ink composition for writing tools

Info

Publication number
TW200734418A
TW200734418A TW095144615A TW95144615A TW200734418A TW 200734418 A TW200734418 A TW 200734418A TW 095144615 A TW095144615 A TW 095144615A TW 95144615 A TW95144615 A TW 95144615A TW 200734418 A TW200734418 A TW 200734418A
Authority
TW
Taiwan
Prior art keywords
ink composition
color
writing tools
removable ink
aqueous color
Prior art date
Application number
TW095144615A
Other languages
Chinese (zh)
Other versions
TWI414567B (en
Inventor
Keilo Nakamura
Original Assignee
Sakura Color Prod Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sakura Color Prod Corp filed Critical Sakura Color Prod Corp
Publication of TW200734418A publication Critical patent/TW200734418A/en
Application granted granted Critical
Publication of TWI414567B publication Critical patent/TWI414567B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/16—Writing inks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Pens And Brushes (AREA)

Abstract

The present invention provides an aqueous color-removable ink composition for writing tools containing water, a basic dye the color of which can be removed by a reductant, and a color-removing assistant agent consisting of at least one compound selected from di-(long chain alkyl) di-(lower alkyl) ammonium halide. Sodium sulfite or potassium sulfite is preferably taken as the reductant.
TW95144615A 2005-12-01 2006-12-01 Aqueous color-removable ink composition for writing tools TWI414567B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005347727 2005-12-01

Publications (2)

Publication Number Publication Date
TW200734418A true TW200734418A (en) 2007-09-16
TWI414567B TWI414567B (en) 2013-11-11

Family

ID=38092225

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95144615A TWI414567B (en) 2005-12-01 2006-12-01 Aqueous color-removable ink composition for writing tools

Country Status (3)

Country Link
JP (1) JP4971183B2 (en)
TW (1) TWI414567B (en)
WO (1) WO2007063892A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436864B2 (en) * 1973-06-20 1979-11-12
US5916357A (en) * 1997-03-25 1999-06-29 The Gillette Company Eradicable inks
JP4292265B2 (en) * 1998-01-07 2009-07-08 フジコピアン株式会社 Method for confirming heat treatment using ink for inkjet printer
JP2000158817A (en) * 1998-12-01 2000-06-13 Fuji Photo Film Co Ltd Method for erasing colored image and color erasable ink
JP2004277643A (en) * 2003-03-18 2004-10-07 Zebra Pen Corp Water-base ink composition for el panel

Also Published As

Publication number Publication date
JP4971183B2 (en) 2012-07-11
JPWO2007063892A1 (en) 2009-05-07
TWI414567B (en) 2013-11-11
WO2007063892A1 (en) 2007-06-07

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees