An ink set for ink-jet recording comprises a yellow ink, a magenta ink, and a cyan ink. Changes of colors EY, EM, EC of the yellow ink, the magenta ink, and the cyan ink satisfy the following relationship when the yellow ink, the magenta ink, and the cyan ink are deposited on regular paper, followed...http://www.google.de/patents/US6790266?utm_source=gb-gplus-sharePatent US6790266 - Water base ink set for ink-jet recording
