JPS5785868A - Water ink composition - Google Patents

Water ink composition

Info

Publication number
JPS5785868A
JPS5785868A JP16129080A JP16129080A JPS5785868A JP S5785868 A JPS5785868 A JP S5785868A JP 16129080 A JP16129080 A JP 16129080A JP 16129080 A JP16129080 A JP 16129080A JP S5785868 A JPS5785868 A JP S5785868A
Authority
JP
Japan
Prior art keywords
dye
basic
ink
soln
water ink
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP16129080A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Yamamoto
Yoshiaki Masuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sakura Color Products Corp
Original Assignee
Sakura Color Products 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 Products Corp filed Critical Sakura Color Products Corp
Priority to JP16129080A priority Critical patent/JPS5785868A/en
Publication of JPS5785868A publication Critical patent/JPS5785868A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a water ink compsn. which is suitable for ball point pens and whose color disappears easily and completely by a low-concentration aq. soln. of a chlorine-based bleaching agent, containing a basic dye selected from a methine dye, a polymethine dye and a cyanine dye as a dye component.
CONSTITUTION: 0.1W8wt% (based on the total amount of an ink compsn.) at least one basic dye selected from a methine dye such as C.I. Basic Yellow 11, C.I. Basic Red 12 or C.I. Basic Blue 62, a polymethine dye and a cyanine dye such as C.I. Basic Red 14, is used. Said basic dye and, if necessary, a dye- dissolving aid, a moisture-absorbing agent, a viscosity modifier, an antiseptic agent, a perfume, etc. are blended to produce the desired water ink compsn. An aq. soln. of potassium hypochlorite, etc. is used as a liquid eraser for erasing said ink. The ink can easily be erased even at a 1% or lower concn. of active chlorine.
COPYRIGHT: (C)1982,JPO&Japio
JP16129080A 1980-11-14 1980-11-14 Water ink composition Pending JPS5785868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16129080A JPS5785868A (en) 1980-11-14 1980-11-14 Water ink composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16129080A JPS5785868A (en) 1980-11-14 1980-11-14 Water ink composition

Publications (1)

Publication Number Publication Date
JPS5785868A true JPS5785868A (en) 1982-05-28

Family

ID=15732290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16129080A Pending JPS5785868A (en) 1980-11-14 1980-11-14 Water ink composition

Country Status (1)

Country Link
JP (1) JPS5785868A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007521379A (en) * 2003-07-15 2007-08-02 サンフォード エル．ピー． Erasable gel ink, erasing method thereof, erasable ink kit, and erased ink composite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007521379A (en) * 2003-07-15 2007-08-02 サンフォード エル．ピー． Erasable gel ink, erasing method thereof, erasable ink kit, and erased ink composite

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