Invention Grant
US08523992B2 Magenta recording ink composition, inkjet recording method, and ink recorded matter 有权
洋红色记录油墨组合物,喷墨记录方法和墨水记录物质

Magenta recording ink composition, inkjet recording method, and ink recorded matter
Abstract:
The present invention provides a magenta recording ink composition including at least a solid solution pigment (A) containing quinacridone, a lake pigment (B) having a xanthene structure, an aqueous solvent, and water, wherein the solid solution pigment (A) has visible light absorption peaks at wavelength ranges of from 510 nm to 530 nm and from 540 nm to 560 nm, and a mass ratio (B/A) of the lake pigment (B) to the solid solution pigment (A) falls within the range of 0.1 to 5.
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