Fitzpatrick, Cella, Harper & Scinto
Ink for ink-jet recording and ink-jet recording process using the same
 An ink for ink-jet recording is provided which comprises a liquid composition essentially comprised of a coloring matter, a volatile solvent having a vapor pressure of 1 mmHg or more at 25.degree. C., and a material being solid at room temperature and having a molecular weight of 300 or more; and prepared so as to satisfy formula B.sub.1 /A.sub.1 .gtoreq.3, assuming viscosity as A.sub.1 cP at 25.degree. C. measured when the content of the solid material in said composition is 10% by weight, and assuming viscosity as B.sub.1 cP at 25.degree. C. measured when the content of the solid material in said composition is 30% by weight. An ink-jet recording process employing the above mentioned ink is also provided. 
Canon Kabushiki Kaisha
Y C
Y10S C09D
additional inventional
Yasuko Shoji
Tomida Koike