| US 7,468,100 B2 | ||
| Ink for ink-jet recording | ||
| Yasuhiro Taga, Nagoya (Japan); and Kazuma Goto, Nagoya (Japan) | ||
| Assigned to Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken (Japan) | ||
| Filed on Sep. 04, 2007, as Appl. No. 11/849,733. | ||
| Claims priority of application No. 2006-252232 (JP), filed on Sep. 19, 2006. | ||
| Prior Publication US 2008/0066643 A1, Mar. 20, 2008 | ||
| Int. Cl. C09D 11/00 (2006.01); C09D 11/02 (2006.01) | ||
| U.S. Cl. 106—31.78 [106/31.28; 106/31.49] | 20 Claims |
| 1. An ink for ink-jet recording comprising a benzotriazole compound and a copper phthalocyanine pigment,
wherein the ink further comprises a metallic phthalocyanine compound having one or more counter ions,
wherein about 2 mol % to about 20 mol % of the counter ions is selected from the group consisting of ammonium ions, organic
ammonium ions, and combinations thereof.
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