Patent · US Expired

Offset fountain solution to replace isopropyl alcohol

US4865646A · kind A · utility

13Cited by
2References
6Claims
0Family size

Inventor

Key dates

Filing dateDec 31, 1987
Grant dateSep 12, 1989
Priority date
Expiry dateDec 31, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41N3/08
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A formula for a fountain solution which maintains an ink-free non-image area without the use of isopropyl alcohol. The present invention pertains to an improved method for offset printing with the fountain solution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.