Pigment ink set
US6530986B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Sep 27, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is provided a pigmented aqueous ink set which comprises:(a) a cyan ink which comprises at least one pigment which is a phthalocyanine compound;(b) a magenta ink which comprises at least one pigment which is a quinacridone compound;(c) a yellow ink wherein the pigment is C.I. Pigment Yellow 155;(d) a green ink wherein the pigment is selected from the group consisting of C.I. Pigment Green 7, 36, and mixtures thereof;(e) an orange ink wherein the pigment is selected from the group consisting of C.I. Pigment Orange 34, 36, 43, 61, 64, 71, and mixtures thereof; together with optionally(f) a black ink which comprises a black pigment.Preferably there is also present at least one water soluble organic cosolvent. The pigmented ink set is suitable for use in ink jet printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.