Fitzpatrick, Cella, Harper & Scinto
Ink, ink-jet recording method, and instrument employing the ink
 An ink comprises a recording agent and a liquid medium for dissolving or dispersing the recording agent, the ink comprising a compound represented by the general formula (I) or (II): ##STR1## where R.sub.1 and R.sub.2 are independently selected from the group consisting of radicals of hydrogen, alkyl or alkoxy having not more than 10 carbons, sulfonic acid or salts thereof, nitro, hydroxyl, carboxyl, and amino or derivatives thereof, and R.sub.1 and R.sub.2 are not simultaneously hydrogen radical. The ink is suitable used for ink-jet recording. 
Canon Kabushiki Kaisha
C
C09D
inventional
Shoji Koromo Kyoko
Koike Shirota Fukushima