Printing ink
US6077338A · kind A · utility
12Cited by
7References
5Claims
0Family size
Inventor
Key dates
| Filing date | Aug 24, 1998 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Aug 24, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17559
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Pigmented ink formulations of different colors, for use in ink jet printers, are optimized with respect to print quality, by the choice of pigments, by controlling the physical characteristics of each pigment dispersion, and by following a particular sequence of manufacturing steps. Controlling surface tension renders the inks compatible with one another; controlling particle size distribution provides flowability; and pigment selection provides resistance to fading.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.