Ink composition
US10472531B2 · kind B2 · utility
0Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2015 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Nov 23, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to an ink composition containing a colorant; a hydroxylated co-solvent; a non-hydroxylated co-solvent, a polyurethane binder and water. The weight percent ratio of the hydroxylated co-solvent to the non-hydroxylated co-solvent in the ink composition ranges from 55:45 to 65:35; and the total amount of hydroxylated co-solvent and non-hydroxylated co-solvent in the ink composition is at least 18 wt %. The amount of polyurethane binder in the ink composition is 0.1 to less than 1 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.