Nonaqueous thermaljet ink compositions
US5076843A · kind A · utility
43Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1989 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Oct 27, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides nonaqueous thermaljet ink compositions having improved print uniformity, drying time, and waterfastness. The nonaqueous thermaljet ink compositions of the present invention are formulated by combining a solvent dye colorant and two or more miscible nonaqueous solvents, at least one being volatile and one being nonvolatile. More specifically, the solvents are combined in such relative concentrations that drying time is reduced when the composition is thermaljet printed onto a substrate and solubility of the dye is not seriously compromised when the volatile solvent evaporates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.