JPS5692976A - Ball-point pen ink composition erasable with rubber eraser - Google Patents

Ball-point pen ink composition erasable with rubber eraser

Info

Publication number
JPS5692976A
JPS5692976A JP17009879A JP17009879A JPS5692976A JP S5692976 A JPS5692976 A JP S5692976A JP 17009879 A JP17009879 A JP 17009879A JP 17009879 A JP17009879 A JP 17009879A JP S5692976 A JPS5692976 A JP S5692976A
Authority
JP
Japan
Prior art keywords
pref
ball
ink composition
point pen
wax
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.)
Granted
Application number
JP17009879A
Other languages
Japanese (ja)
Other versions
JPS6221390B2 (en
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 JP17009879A priority Critical patent/JPS5692976A/en
Priority to DE8181900078T priority patent/DE3066066D1/en
Priority to EP19810900078 priority patent/EP0042438B1/en
Priority to PCT/JP1980/000318 priority patent/WO1981001858A1/en
Publication of JPS5692976A publication Critical patent/JPS5692976A/en
Publication of JPS6221390B2 publication Critical patent/JPS6221390B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prepare the titled composition having excellent erasability even after elapse of time, and nevertheless having high fixability to paper and no stickiness, by compounding polyisobutylene or an ethylene-propylene copolymer with a (semi)solid wax, pigment particles, and a low-boiling solvent.
CONSTITUTION: The objective ink is prepared by mixing (A) 100pts.wt. of polyisobutylene or an ethylene-propylene copolymer, (B) pref. 20W60pts.wt. of a wax which is (semi)solid at room temperature (e.g. beeswax, carnauba wax, etc.) as a release assistant, (C) pref. 80W130pts.wt. of pigment particles (pref. having particle diameter of 0.01W5μ), and (D) pref. 70W300pts.wt. of a low-boiling solvent having a boiling point of ≤200°C (e.g. n-beptane).
COPYRIGHT: (C)1981,JPO&Japio
JP17009879A 1979-12-26 1979-12-26 Ball-point pen ink composition erasable with rubber eraser Granted JPS5692976A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP17009879A JPS5692976A (en) 1979-12-26 1979-12-26 Ball-point pen ink composition erasable with rubber eraser
DE8181900078T DE3066066D1 (en) 1979-12-26 1980-12-22 Erasable ball-point pen ink composition
EP19810900078 EP0042438B1 (en) 1979-12-26 1980-12-22 Erasable ball-point pen ink composition
PCT/JP1980/000318 WO1981001858A1 (en) 1979-12-26 1980-12-22 Erasable ball-point pen ink composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17009879A JPS5692976A (en) 1979-12-26 1979-12-26 Ball-point pen ink composition erasable with rubber eraser

Publications (2)

Publication Number Publication Date
JPS5692976A true JPS5692976A (en) 1981-07-28
JPS6221390B2 JPS6221390B2 (en) 1987-05-12

Family

ID=15898594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17009879A Granted JPS5692976A (en) 1979-12-26 1979-12-26 Ball-point pen ink composition erasable with rubber eraser

Country Status (1)

Country Link
JP (1) JPS5692976A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980476A (en) * 1982-10-29 1984-05-09 Pilot Pen Co Ltd:The Erasable ink for ball-point pen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63257589A (en) * 1987-04-14 1988-10-25 株式会社　三共 Pinball game machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980476A (en) * 1982-10-29 1984-05-09 Pilot Pen Co Ltd:The Erasable ink for ball-point pen
JPH0354712B2 (en) * 1982-10-29 1991-08-21

Also Published As

Publication number Publication date
JPS6221390B2 (en) 1987-05-12

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