Ink-jet printing
US5102448A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1989 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of printing in which a solid ink composition is melted and ejected from a small orifice in the form of small drops directed towards a substrate on which an image is to be formed, characterized in that the solid ink composition comprises either a solution or a dispersion of a dye or a finely divided pigment in a halogenated hydrocarbon having a melting point of at least 50.degree. C. ("Ink A"), or a colored condensation polymer obtained by reacting a polymerizable lactone or a hydroxyalkanoic acid with a dye containing at least one active hydrogen atom ("Ink B").
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.