Patent · US Expired

Imaging element and method for making lithographic printing plate according to the silver salt diffusion transfer process

US5508142A · kind A · utility

8Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1994
Grant dateApr 16, 1996
Priority date
Expiry dateJun 29, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C8/06
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides an imaging element comprising in the order given (i) a hydrophilic base, (ii) an image receiving layer containing physical development nuclei and (iii) a photosensitive layer containing a silver halide emulsion being in water permeable relationship with said image receiving layer, characterized in that said photosensitive layer or another optional layer being in water permeable relationship therewith contains at least one gelatin species whereof a 10% by weight aqueous solution at 36.degree. C. and pH 6 has a viscosity lower than 20 mPa.s at a shearing rate of 1000 s.sup.-1.

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