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US 6,712,462 B2Granted
Ink set and ink jet recording method
AssigneeSeiko Epson Corporation
InventorsJun Ito, Miharu Kanaya
Life of this patent
Estimating the term…
Abstract
An ink set and a recording method are provided according to which light-fastness is good, and color reproducibility, clogging properties and other properties are satisfied, by using an ink set including inks each of which contains at least a dye, a water-soluble organic solvent and water, the ink set including a combination of magenta ink that contains a specific dye, yellow ink and cyan ink.
Claims28
An ink set comprising inks each of which contains at least a dye, a water-soluble organic solvent and water,
- the ink set comprising a combination of magenta ink that contains a dye having a structure shown in general formula (I) below, yellow ink, and cyan ink:
- X:
- COOM or SO3M
- Y:
- —H, —NH2 or —O(CH2)mH
- M:
- —H, —Li, —Na, —K, —NH4 or —NH(CH2OH)3
- n=integer from 2 to 10
- m=integer from 1 to 4
- l=0 or 1.
7 more elements
Dependencies are inferred from the claim text.