Ink composition
US7604695B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2006 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Aug 12, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/033
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition containing an organic solvent and a pigment, which has a little amount of smell, excellent safety and health properties, excellent resin solubility, excellent printing stability and excellent drying properties, causes no corrosion to a printer, and is excellent in adhesion to non-absorbable printing media and good printability, wherein the ink composition comprises as the organic solvent at least one compound selected from compounds of the formula (1) and (2),wherein each of R1, R2 and R4 independently represents an oxygen atom or —NR6— wherein R6 represents an alkyl group having 1 to 3 carbon atoms, a hydroxyalkyl group, a hydroxyl group or a hydrogen atom, and each of R3 and R5 independently represents a branched or non-branched hydrocarbon group represented by CmHn wherein m is an integer of 2 to 8 and n is an integer of 2m-4, 2m-2 or 2m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.