Emulsion ink
US7300507B2 · kind B2 · utility
0Cited by
25References
8Claims
0Family size
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Key dates
| Filing date | Nov 4, 2005 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Nov 4, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/0235
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-in-oil emulsion ink comprises a water phase and an oil phase, wherein the water phase comprises a carbon black pigment having a pH of less than 6. The emulsion ink maintains stable rheology on ageing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.