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US 6,783,222 B2Granted
Water base pigment ink for ink-jet recording and ink-jet recording method
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsRyuji Kato, Hideto Yamazaki
Life of this patent
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Abstract
An ink for ink-jet recording consisting essentially of a water-soluble solvent, a pigment, and a compound represented by the following general formula (1): wherein AO represents oxyalkylene group, R represents alkyl group, and m and n represent natural numbers, respectively. It is possible to effectively suppress the feathering and the bleeding.
Claims14
An ink for ink-jet recording consisting essentially of:
- a water-soluble solvent;
- a pigment;
- and
- a compound represented by the following general formula (1):
- wherein AO represents oxyalkylene group, R represents alkyl group, and m and n represent natural numbers, respectively.
2 more elements
An ink for ink-jet recording consisting essentially of:
- a water-soluble solvent;
- a pigment;
- water;
- and
- a compound represented by the following general formula (1):
- wherein AO represents oxyalkylene group, R represents alkyl group, and m and n represent natural numbers, respectively.
3 more elements
A printing method comprising:
- a first step of printing a background with a first ink comprising a water-soluble solvent, a pigment, and a compound represented by the following general formula (1):
- wherein AO represents oxyalkylene group, R represents alkyl group, and m and n represent natural numbers respectively;
- and
- a second step of printing an image on the background with a second ink comprising a water-soluble solvent, a pigment, and a compound represented by the general formula (1), wherein a color of the second ink is different from a color of the first ink.
1 more element
An ink-jet recording apparatus comprising:
- an ink-jet head;
- and
- an ink tank which accommodates a first ink and a second to be supplied to the ink-jet head, respectively;
- wherein the first ink comprises a water-soluble solvent, a pigment, and a compound represented by the following general formula (1):
- wherein AO represents oxyalkylene group, R represents alkyl group, and m and n represent natural numbers, respectively,
- the second ink comprises a water-soluble solvent, a pigment, and a compound represented by the general formula (1), and
- a color of the second ink is different from a color of the fist ink, and the ink-jet recording apparatus prints a background with the first ink and prints an image on the background with the second ink.
4 more elements
Dependencies are inferred from the claim text.