Alcohol soluble printing ink compositions
US12129385B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Feb 26, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein are ink formulations that result in improved pigment dispersion and anti-blocking in alcohol soluble inks. The ink compositions include at least one colorant; a binder comprising polyurethane; a solvent system comprising at least about 50% by weight of an alcohol, based on the total weight of the solvent system; and a cellulose ester selected from cellulose acetate propionate and cellulose acetate butyrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.