Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Year | Description |
| 1999 | Invention patented by Shinichi Kato on September 1st, 1999. Abstract: Disclosed is a black ink composition for ink jet recording, comprising at least carbon black, a black dye, a water-soluble organic solvent, and water, the black dye being a black dye represented by formula (I), C.I. Direct Black 154, or C.I. Direct Black 168: ##STR1## wherein M represents a cation of a group selected from the group consisting of a hydrogen atom, an alkali metal, ammonia, and an organic amine; m is 1 or 2; and n is 0 or 1. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
