Hot melt ink
US5669965A · kind A · utility
15Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1996 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Apr 9, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A hot melt ink includes at least one wax substance having a melting point at a temperature ranging from 50.degree. C. to 150.degree. C. and a coloring agent substantially free of insoluble ingredients not soluble in the at least one wax substance. By removing insoluble ingredients from the coloring agent, for example by filtration, a hot melt ink is obtained that does not clog the printing head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.