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AssigneesCanon Kabushiki Kaisha, Mitsubishi Chemical Corporation
InventorsKonoe Miura, Hiroshi Takimoto, Tokuya Ohta, Masatsune Kobayashi
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A monoazo compound of the general formula ##STR1## wherein; Y is hydrogen, methyl, methoxy, acetylamino, or nitro, or Y, cojointly with the carbon atom located in the benzene ring B at the 3-position with respect to the N.dbd.N group, may form a benzene ring; X is acetyl, benzoyl, p-toluenesulfonyl, or 4-chloro-6-hydroxy-1,3,5-triazine-2-yl; and M.sup.1, M.sup.2 and M.sup.3 each are a base selected from alkali metal atom, ammonium cation and amine salt cation. A recording liquid comprising a coloring matter, which is an image-forming component, and a liquid medium for dissolving or dispersing the coloring matter, said recording liquid being characterized by containing as coloring matter the above-mentioned monoazo compound.
An ink-jet recording liquid comprising an image forming coloring matter component and a liquid medium comprising water and a water-miscible organic solvent for dissolving or dispersing the coloring matter, said recording liquid being characterized by containing as said coloring matter a desalted monoazo compound of the formula ##STR55## wherein Y is hydrogen, methyl or methoxy;
An ink-jet recording liquid comprising a magenta image forming coloring matter component and a liquid medium comprising water and a water-miscible organic solvent for dissolving or dispersing the coloring matter, said recording liquid being characterized by containing as said coloring matter a desalted monoazo compound of the formula ##STR56## wherein Y is methyl;
Dependencies are inferred from the claim text.