Ink composition including polyurethane
US10604667B2 · kind B2 · utility
1Cited by
70References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2015 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Aug 8, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
According to one aspect, an ink composition includes a colorant, a polyurethane having a peak average molecular weight range of from about 25,000 g/mol to about 35,000 g/mol, and a solvent. The ink composition has a total solids content of less than about 12% by weight, and a ratio of colorant to polyurethane between about 1:1 and 1:2 by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.