Ink jet printing method
US6523950B1 · kind B1 · utility
4Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2000 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | May 26, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/5281
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet printing method, comprising the steps of:A) providing an ink jet printer that is responsive to digital data signals;B) loading the printer with ink-receptive elements comprising a support having thereon an image-receiving layer comprising a mixture of an anionic polymer and a hydrophilic polymer;C) loading the printer with an ink jet ink composition comprising water, a humectant, and a delocalized cationic azo dye derived from the quaternization of a nitrogen heterocyclic azo dye; andD) printing on the image-receiving layer using the ink jet ink in response to the digital data signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.