Fountain solution composition
US5695550A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1996 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Aug 12, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N3/08
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to a fountain solution for use in offset printing processes. The fountain solution is formed by diluting a fountain solution concentrate with water in a water to fountain solution concentrate ratio of between about 4:1 to about 8:1. The fountain solution concentrate comprises glycerin in an amount between about 2% to about 9% by volume, 2-butoxy-ethanol in an amount between about 4% to about 10% by volume, isopropyl alcohol in an amount between about 8% to about 35% by volume, water in an amount between about 54% to about 65% by volume and at least one compound selected from the group consisting of ethylene glycol and propylene glycol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.