Ink composition for drop-on-demand ink jet
US4781758A · kind A · utility
14Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Oct 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A substantially aqueous composition for drop on demand ink jet printing comprising a fluid vehicle with greater than 50% by weight water, a water soluble dye in the range of 1-10% by weight, a lower alkylene glycol plasticizer in the range of concentration of 1-20% by weight, and in the range of 1-10% by weight, a water soluble additive which is a low molecular weight heterocyclic, bifunctional monomer or dimer in which the two functional groups are either two imide groups, or a hydantoin bearing a carboxylic acid group, with both the imide groups and the amide groups being capped with hydroxyalkylene units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.