Ink jet printing method using a pigmented ink
US6352340B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1999 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | Dec 27, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink jet printing method of the steps: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink-receptive substrates; C) loading the printer with an ink jet ink composition of from about 30 to about 90% by weight of water, from about 0.5 to about 30% by weight of a pigment, from about 0.125 to about 7.5% by weight of an anionic dispersant, from about 0.05 to about 2% by weight of an ethoxylated trimethylnonanol, and from about 10 to about 50% by weight of a humectant of a polyhydric alcohol; and 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.