Patent · US Expired

Multi-layer negative working imageable element

US6887642B2 · kind B2 · utility

6Cited by
14References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2002
Grant dateMay 3, 2005
Priority date
Expiry dateDec 11, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41C2210/24
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Multi-layer, negative working imageable elements useful as lithographic printing plate precursors are disclosed. The elements contain, in order, a support; an underlayer; and an imageable layer. The imageable layer comprises a negative working imageable composition; and the underlayer is soluble or dispersible in a developer. Elements that can be imaged with ultraviolet or visible radiation and elements that can be imaged with infrared radiation or with heat are disclosed.

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