Alcohol printing solution with reduced fume emission
US4938800A · kind A · utility
3Cited by
1References
5Claims
0Family size
Inventor
Key dates
| Filing date | Mar 18, 1988 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Mar 18, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N3/08
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Alcohol solutions for use as fountain solutions in the printing industry are disclosed. The solutions include isopropyl alcohol in amounts of 40% to 95%, ethyl alcohol or other alcohols in amounts of 5% to 60% and ethylene diamine in an amount of 0.015% to 0.040%. The addition of a small amount of ethylene diamine markedly reduces the emission of fumes from the fountain solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.