Patent · US Expired

Method for producing flexographic printing plates by means of laser engraving

US7419765B2 · kind B2 · utility

5Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 2004
Grant dateSep 2, 2008
Priority date
Expiry dateNov 17, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41N1/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Process for the production of flexographic printing plates by means of direct laser engraving, in which the particulate and gaseous degradation products formed in the course of the engraving are taken up by means of a suction apparatus, and the waste gas stream laden with the degradation products is purified by means of a combination of at least one solids filter and at least one oxidatively operating purification stage.

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