High solids self-contained printing ink
US5102856A · kind A · utility
20Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Nov 7, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/132
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A high solids contents, aqueous-based, self-contained printing ink is provided including, a non-volatile diluent, an acidic color developer, a binder, and a water soluble surfactant which is compatible with the binder in the ink, but which is incompatible with the binder when the ink has dried. The high solids, self-contained printing ink further includes microcapsules containing a dyestuff precursor that is capable of reacting with the acidic color developer to form a color. The ink may be used to prepare self-contained carbonless copy sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.