Aqueous inks having improved halo characteristics
US5401303A · kind A · utility
94Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1994 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Apr 26, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Halo effect seen at the interface between a first ink, exhibiting sharp edge acuity, and a second ink, having low surface energy, is addressed by adding certain fluorocarbon compounds to the first ink. Edge acuity of the first ink is maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.