Printing ink emulsion with poly(oxyalkylene) substituted colorant
US5429841A · kind A · utility
34Cited by
18References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1994 |
| Grant date | Jul 4, 1995 |
| Priority date | — |
| Expiry date | Apr 19, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M1/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition for Gravure printing is provided with a poly(oxyalkylene) substituted colorant and a vehicle which is a water-in-oil emulsion of a water immiscible organic phase and an aqueous phase, in the range of 9:1 to 1:1, thereby significantly reducing VOC emissions, with no detrimental effect on print quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.