Ink for inkjet recording, inkjet recording method using the ink, and ink cartridge that accommodates the ink
US9169407B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2011 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Aug 27, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24901
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Ink containing a pigment, an alcohol alkoxylate-based surfactant, a water-soluble organic solvent, water, and a dispersion agent represented by the following chemical structure 1, wherein the ink has a dynamic surface tension of 36 mN/m or less when the life of foam at 25° C. as measured by the maximum bubble pressure technique is 15 msec:where R1 represents an alkyl group having one to four carbon atoms, an aryl group, and an aralkyl group having one to eight carbon atoms, L represents zero or an integer of from 1 to 7, and n represents an integer of from 20 to 80.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.