JPS56109265A - Ball point ink composition which can be erased with eraser - Google Patents

Ball point ink composition which can be erased with eraser

Info

Publication number
JPS56109265A
JPS56109265A JP1049880A JP1049880A JPS56109265A JP S56109265 A JPS56109265 A JP S56109265A JP 1049880 A JP1049880 A JP 1049880A JP 1049880 A JP1049880 A JP 1049880A JP S56109265 A JPS56109265 A JP S56109265A
Authority
JP
Japan
Prior art keywords
ball point
erased
eraser
point ink
ink composition
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
JP1049880A
Other languages
Japanese (ja)
Inventor
Nobuyuki Murakami
Hiroshi Miyashita
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.)
Pentel Co Ltd
Original Assignee
Pentel Co Ltd
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 Pentel Co Ltd filed Critical Pentel Co Ltd
Priority to JP1049880A priority Critical patent/JPS56109265A/en
Publication of JPS56109265A publication Critical patent/JPS56109265A/en
Pending legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

PURPOSE: To provide a ball point ink compsn. which does not pick immediately after writing and can easily be erased with an eraser even after lapse of several days since writing, consisting of a linear polyurethane, a low-boiling solvent having a boiling point of not higher than a specified temperature and pigment particles.
CONSTITUTION: 100pts.wt. linear polyurethane (A), 70W300pts.wt. low-boiling solvent (B) having a b.p. of not higher than 200°C (e.g. benzene or acetone) and 80W130pts.wt. pigment particles (C) having a particle diameter of pref. 0.01W5μ (e.g. Pigment Yellow -1 or C.I. Vat Orange -3) are kneaded together to obtain the desired ball point ink compsn.
COPYRIGHT: (C)1981,JPO&Japio
JP1049880A 1980-01-31 1980-01-31 Ball point ink composition which can be erased with eraser Pending JPS56109265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1049880A JPS56109265A (en) 1980-01-31 1980-01-31 Ball point ink composition which can be erased with eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1049880A JPS56109265A (en) 1980-01-31 1980-01-31 Ball point ink composition which can be erased with eraser

Publications (1)

Publication Number Publication Date
JPS56109265A true JPS56109265A (en) 1981-08-29

Family

ID=11751850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1049880A Pending JPS56109265A (en) 1980-01-31 1980-01-31 Ball point ink composition which can be erased with eraser

Country Status (1)

Country Link
JP (1) JPS56109265A (en)

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