JPS55108477A - Aqueous black ink - Google Patents
Aqueous black inkInfo
- 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
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
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)
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)
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 |
-
1979
- 1979-02-15 JP JP1643079A patent/JPS55108477A/en active Granted
Patent Citations (2)
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)
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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