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US 5,167,703 AGranted
Ink, ink-jet recording process and instrument making use of the ink
AssigneeCanon Kabushiki Kaisha
InventorsTsuyoshi Eida, Mayumi Yamamoto, Takao Yamamoto
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AssigneeCanon Kabushiki Kaisha
InventorsTsuyoshi Eida, Mayumi Yamamoto, Takao Yamamoto
Estimating the term…
Provided is an ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I): ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are respectively hydrogen or SO.sub.3 M; R.sub.4 is hydrogen, OCH.sub.3, NH.sub.2, NHCONH.sub.2, or SO.sub.3 M; R.sub.5 is hydrogen or SO.sub.3 M; R.sub.6 is hydrogen or NH.sub.2 ; R.sub.7 is hydrogen, CH.sub.3, or OCH.sub.3 ; R.sub.8 is hydrogen, COOM, or SO.sub.3 M; R.sub.5 is hydrogen and R.sub.8 is COOM when both of R.sub.4 and R.sub.6 are respectively NH.sub.2 ; M is an alkali metal, ammonium, or organic ammonium; and m is 0 or 1, or a compound represented by the general formula (II): ##STR2## wherein R.sub.1 is hydrogen, CH.sub.3, COOM, or SO.sub.3 M; R.sub.2 is hydrogen, CH.sub.3, or COOM; R.sub.3 is hydrogen, chlorine, COOM, or SO.sub.3 M; R.sub.4 is hydrogen, OCH.sub.3, NH.sub.2, NHCONH.sub.2, or SO.sub.3 M; R.sub.5 is hydrogen or SO.sub.3 M; R.sub.6 is hydrogen or NH.sub.2 ; R.sub.7 is hydrogen, CH.sub.3, or OCH.sub.3 ; R.sub.8 is hydrogen, COOM, or SO.sub.3 M; R.sub.5 is hydrogen and R.sub.8 is COOM when both of R.sub.4 and R.sub.6 are respectively NH.sub.2 ; M is an alkali metal, ammonium, or organic ammonium, and m is 0 or 1.
An ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I):
An ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (II):
An ink jet recording process of conducting recording by ejecting ink droplets from an orifice in response to a recording signal, the ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I):
An ink jet recording process of conducting recording by ejecting ink droplets from an orifice in response to a recording signal, the ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (II):
An ink jet device comprising an ink storing member impregnated with a recording liquid, and a head having an orifice for ejecting the recording liquid as droplets, the recording liquid comprising an ink containing at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I):
An ink jet device comprising an ink storing member impregnated with a recording liquid, and a head having an orifice for ejecting the recording liquid as droplets, the recording liquid comprising an ink containing at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (II):
An ink jet recording apparatus comprising an ink jet device comprising an ink storing member impregnated with a recording liquid, and a head having an orifice for ejecting the recording liquid, the recording liquid comprising an ink containing at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I):
An ink jet recording apparatus comprising an ink jet device comprising an ink storing member impregnated with a recording liquid, and a head having an orifice for ejecting the recording liquid, the recording liquid comprising an ink containing at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (II):
An ink cartridge comprising an ink bag impregnated with a recording liquid comprising an ink, the ink containing at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I):
An ink cartridge comprising an ink bag impregnated with a recording liquid comprising an ink, the ink containing at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (II):
Dependencies are inferred from the claim text.