Ink composition
US11485867B2 · kind B2 · utility
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Key dates
| Filing date | Sep 20, 2018 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | Jun 21, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K13/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition includes water, a resin, a coloring material, an alcohol (A) and a solvent (B). The alcohol (A) has a vapor pressure at 25° C. of 0.050 mmHg or greater and a solubility at 25° C. in 100 g of water of less than 3 g. The solvent (B) includes at least one selected from the group consisting of glycol ethers having a vapor pressure at 25° C. of less than 0.050 mmHg and a solubility at 25° C. in 100 g of water of 3 g or greater and alkanediols having a vapor pressure at 25° C. of less than 0.050 mmHg and a solubility at 25° C. in 100 g of water of 3 g or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.