Ink-jet ink set
US7465345B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2007 |
| Grant date | Dec 16, 2008 |
| Priority date | — |
| Expiry date | Sep 21, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to an ink-jet ink set which, in spite of using a black ink including a black pigment, may form printed matter (e.g., images) with desirable fixability to glossy paper, color balance after fading (fading stability), and/or water resistance and/or ink-jet ink sets with desirable storage stability. An ink set may include a yellow dye ink including a yellow dye, a magenta dye ink including a magenta dye, a cyan dye ink including a cyan dye and a black ink. A black ink may include a black pigment, a yellow dye, a magenta dye and a cyan dye. A black ink may have a weight ratio of the amount of the black pigment to the total amount of the yellow dye, the magenta dye, and the cyan dye of from about 30/70 to less than about 70/30 (e.g., from about 30/70 to about 70 (but not inclusive of 70)/30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.