Ink jet printing process
US6517621B2 · kind B2 · utility
6Cited by
13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2001 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Aug 1, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet printing process for improving the ozone stability of an ink jet image comprising:a) providing an ink jet recording element comprising a support having thereon a porous image-receiving layer having interconnecting voids; andb) applying droplets of a liquid ink on the image-receiving layer in an image-wise manner, the ink comprising water, humectant and a metallized, phthalocyanine dye, the metallized, phthalocyanine dye comprising the formula:MPc(SO3X)a(SO2NRR′)b.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.