Ink system with reduced bleed
US5735941A · kind A · utility
22Cited by
28References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1996 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Jul 24, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M7/0018
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An ink system comprising a first ink containing a flocculating dye in an aqueous solution and a second ink containing a dispersant-pigment complex in an aqueous solution reduces bleed between the two inks when they are applied side by side. The flocculating dye flocculates the dispersant-pigment complex
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.