Method for manufacturing pigmented inks
US7651558B2 · kind B2 · utility
2Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2007 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Apr 10, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for manufacturing a pigmented ink includes the steps of a) preparing a pigment dispersion in a dispersing installation; b) charging the dispersing installation with a washing liquid; c) discharging the washing liquid from the dispersing installation; and d) adding the discharged washing liquid to the pigment dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.