Patent · US Expired

Heat sensitive imaging element for providing a lithographic printing plate

US6096471A · kind A · utility

21Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1999
Grant dateAug 1, 2000
Priority date
Expiry dateMar 29, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/368
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

According to the present invention there is provided a heat-sensitive imaging element for providing a lithographic printing plate, comprising a support and as top layer a heat switchable image forming layer comprising a hardened hydrophilic binder and a heat switchable polymer wherein said top layer or a layer adjacent to said top layer comprises a compound capable of converting light into heat; characterized in that said heat switchable polymer is a polymer containing aryldiazosulphonate units.

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