Ink discharging device, method of discharging ink, method of manufacturing ink-discharged matter, white ink, and set
US12286542B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 16, 2023 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Jan 1, 2044 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink discharging device contains an ink containing an organic solvent with an SP value of from 9.0 to 12.0, a white pigment, a polyurethane resin with a glass transition temperature Tg of 0 degrees C. or lower, and water, and an ink discharging unit including a nozzle plate including a liquid repellent layer containing a silicone resin, the ink discharging unit for discharging the ink, wherein the proportion of the organic solvent to the entire of the ink is from 0.5 to 2.5 percent by mass and the proportion of the white pigment to the entire of the ink is from 6 to 15 percent by mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.