Ink compositions for ink jet printing
US5300143A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1992 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Dec 17, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an ink composition which comprises water, a water soluble dye, a first component selected from the group consisting of sulfones and mixtures thereof, and a second component selected from the group consisting of cyclic amines having at least one hydrogen atom bonded to a nitrogen atom, cyclic amides having at least one hydrogen atom bonded to a nitrogen atom, diamides having at least one hydrogen atom bonded to a nitrogen atom, polyalkoxy-substituted amides having at least one hydrogen atom bonded to a nitrogen atom, polyimine-substituted amides having at least one hydrogen atom bonded to a nitrogen atom, and mixtures thereof. Also disclosed is an ink jet printing process employing these inks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.