JPS55108477A - Aqueous black ink - Google Patents

Aqueous black ink

Info

Publication number
JPS55108477A
JPS55108477A JP1643079A JP1643079A JPS55108477A JP S55108477 A JPS55108477 A JP S55108477A JP 1643079 A JP1643079 A JP 1643079A JP 1643079 A JP1643079 A JP 1643079A JP S55108477 A JPS55108477 A JP S55108477A
Authority
JP
Japan
Prior art keywords
water
trisazo dye
black ink
glycol ether
solvent
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
JP1643079A
Other languages
Japanese (ja)
Other versions
JPS6146506B2 (en
Inventor
Kunihiko Otaguro
Ikuo Takagishi
Hidetoshi Hamamoto
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 JP1643079A priority Critical patent/JPS55108477A/en
Publication of JPS55108477A publication Critical patent/JPS55108477A/en
Publication of JPS6146506B2 publication Critical patent/JPS6146506B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: A black ink with good solubility, long-term stability and low toxicity, consisting of a specific trisazo dye and a solvent.
CONSTITUTION: A trisazo dye of the formula I and/or II is dissolved in a solvent consisting of water as major component and other components, such as glycol, glycol ether, or glycol ether ester, alone or in mixture, which are miscible with water in any proportion and have high powers to dissolve the trisazo dye and also to suppress the vaporization of ink as well as have an appropriate hygroscopicity and high boiling point. In addition, a viscosity regulator, an antiseptic, a pH regulator, a substance which improves the solubility, such as urea, and other water-soluble dyes for obtaining a desired tint may be added.
COPYRIGHT: (C)1980,JPO&Japio
JP1643079A 1979-02-15 1979-02-15 Aqueous black ink Granted JPS55108477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1643079A JPS55108477A (en) 1979-02-15 1979-02-15 Aqueous black ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1643079A JPS55108477A (en) 1979-02-15 1979-02-15 Aqueous black ink

Publications (2)

Publication Number Publication Date
JPS55108477A true JPS55108477A (en) 1980-08-20
JPS6146506B2 JPS6146506B2 (en) 1986-10-14

Family

ID=11916013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1643079A Granted JPS55108477A (en) 1979-02-15 1979-02-15 Aqueous black ink

Country Status (1)

Country Link
JP (1) JPS55108477A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144067A (en) * 1979-04-27 1980-11-10 Canon Inc Recording liquid
US5049188A (en) * 1987-05-12 1991-09-17 Mitsubishi Kasei Corporation Recording liquid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1465889A (en) * 1972-12-21 1977-03-02 Ici Ltd Trisazo dyes
GB1467415A (en) * 1973-12-18 1977-03-16 Ici Ltd Trisazo dyes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1465889A (en) * 1972-12-21 1977-03-02 Ici Ltd Trisazo dyes
GB1467415A (en) * 1973-12-18 1977-03-16 Ici Ltd Trisazo dyes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144067A (en) * 1979-04-27 1980-11-10 Canon Inc Recording liquid
JPS6345429B2 (en) * 1979-04-27 1988-09-09 Canon Kk
US5049188A (en) * 1987-05-12 1991-09-17 Mitsubishi Kasei Corporation Recording liquid

Also Published As

Publication number Publication date
JPS6146506B2 (en) 1986-10-14

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