Patent · US Expired

On-press developing method of lithographic printing plate precursor

US6703185B2 · kind B2 · utility

2Cited by
0References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 20, 2002
Grant dateMar 9, 2004
Priority date
Expiry dateNov 20, 2022

Classification

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

Abstract

On-press developing method of a lithographic printing plate precursor, the lithographic printing plate precursor comprising an image-forming layer which comprises a hydrophobizing precursor, and the method comprising fountain solution-clarifying means which comprises: aggregating a hydrophobizing precursor mingled in a fountain solution and removing the aggregated hydrophobizing precursor by filtration; or adding a coagulant to a fountain solution and filtering the fountain solution.

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