Ink jet printer method
US6419354B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Aug 22, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet printing method, including the steps of:A) providing an ink jet printer that is responsive to digital data signals;B) loading the printer with ink-receptive elements, including a support having thereon a porous ink-receptive layer;C) loading the printer with an ink jet ink composition including: water, a humectant, and a delocalized cationic azo dye derived from the quaternization of a nitrogen heterocyclic azo dye having the following formula: D) printing on an ink-receptive substrate using the ink jet ink in response to the digital data signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.