Konica-Minolta Holdings, Inc.

Mari Takahashi

Satoru Ikesu

Takatugu Suzuki

Hidetaka Ninomiya

Kyoko Iwamoto

An ink jet recording liquid exhibiting superior image color and improved color image fastness is disclosed, comprising a medium and an oil-soluble dye represented by the following formulas 

Ink jet recording liquid

An anthraquinone dye represented by the Formula (1), (2) or (3), and an ink jet recording liquid containing a compound represented by the following Formula (1), (2) or (3):

Anthraquinone dye and inkjet recording liquid

A dye is disclosed, which is represented by the following formula:wherein Z is an atomic group necessary to form a 6-membered nitrogen containing aromatic ring; Ris a hydrogen bonding group; R, Rand Rare independently a hydrogen atom or a substituent; n11 and n13 are each an integer of 1 to 4; n12 is an integer of 1 to 3. There is also disclosed an ink for ink jet printing which contains the foregoing dye.

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Asaka, Japan

Mari Takahashi