JPH0352503B2 - - Google Patents

Info

Publication number
JPH0352503B2
JPH0352503B2 JP57211083A JP21108382A JPH0352503B2 JP H0352503 B2 JPH0352503 B2 JP H0352503B2 JP 57211083 A JP57211083 A JP 57211083A JP 21108382 A JP21108382 A JP 21108382A JP H0352503 B2 JPH0352503 B2 JP H0352503B2
Authority
JP
Japan
Prior art keywords
ink
color
handwriting
developer
acid
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.)
Expired - Lifetime
Application number
JP57211083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59100174A (ja
Inventor
Masahiro Iwata
Yasushi Myashita
Juichi Ko
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 JP57211083A priority Critical patent/JPS59100174A/ja
Priority to US06/452,050 priority patent/US4557618A/en
Priority to DE19823247804 priority patent/DE3247804A1/de
Priority to FR8221755A priority patent/FR2547827A1/fr
Publication of JPS59100174A publication Critical patent/JPS59100174A/ja
Publication of JPH0352503B2 publication Critical patent/JPH0352503B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP57211083A 1981-12-25 1982-12-01 消去可能な無色染料−顕色剤系インキ Granted JPS59100174A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57211083A JPS59100174A (ja) 1982-12-01 1982-12-01 消去可能な無色染料−顕色剤系インキ
US06/452,050 US4557618A (en) 1981-12-25 1982-12-22 Ink and eraser of the ink
DE19823247804 DE3247804A1 (de) 1981-12-25 1982-12-23 Tinte und loescher fuer die tinte
FR8221755A FR2547827A1 (en) 1981-12-25 1982-12-24 Ink and eradicator for this ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57211083A JPS59100174A (ja) 1982-12-01 1982-12-01 消去可能な無色染料−顕色剤系インキ

Publications (2)

Publication Number Publication Date
JPS59100174A JPS59100174A (ja) 1984-06-09
JPH0352503B2 true JPH0352503B2 (enrdf_load_stackoverflow) 1991-08-12

Family

ID=16600127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57211083A Granted JPS59100174A (ja) 1981-12-25 1982-12-01 消去可能な無色染料−顕色剤系インキ

Country Status (1)

Country Link
JP (1) JPS59100174A (enrdf_load_stackoverflow)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015667B2 (ja) * 1974-01-22 1985-04-20 パイロツトインキ株式会社 熱変色性材料
JPS6031235B2 (ja) * 1974-01-24 1985-07-20 パイロツトインキ株式会社 感熱変色性材料
JPS6015668B2 (ja) * 1974-09-11 1985-04-20 パイロツトインキ株式会社 熱変色性組成物
JPS5144709A (ja) * 1974-10-16 1976-04-16 Osaki Toshio Rootariipisutonenjin
JPS5230272A (en) * 1975-09-03 1977-03-07 Nitto Electric Ind Co Ltd Reverse osmosis separation apparatus
JPS5642479A (en) * 1979-09-13 1981-04-20 Hochiki Corp Television interphone device

Also Published As

Publication number Publication date
JPS59100174A (ja) 1984-06-09

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