Patent · US Expired

Planographic printing plate for dry printing

US4170687A · kind A · utility

3Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 1977
Grant dateOct 9, 1979
Priority date
Expiry dateSep 29, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31591
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Planographic printing plates for use without fountain solution, and especially suitable for imaging with an electrophotographic toner, have a surface containing a fluorinated polyurethane. In use only the image areas accept ink.

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