Invention Grant
US5800961A Imaging element and method for making a lithographic printing plate according to the silver salt diffusion transfer process 失效
根据银盐扩散转移法制造平版印刷版的成像元件和方法

  • Patent Title: Imaging element and method for making a lithographic printing plate according to the silver salt diffusion transfer process
  • Patent Title (中): 根据银盐扩散转移法制造平版印刷版的成像元件和方法
  • Application No.: US885958
    Application Date: 1997-06-30
  • Publication No.: US5800961A
    Publication Date: 1998-09-01
  • Inventor: Lode Deprez
  • Applicant: Lode Deprez
  • Applicant Address: BEX Mortsel
  • Assignee: Agfa-Gevaert, N.V.
  • Current Assignee: Agfa-Gevaert, N.V.
  • Current Assignee Address: BEX Mortsel
  • Priority: EPX96202156.4 19960730
  • Main IPC: G03C8/06
  • IPC: G03C8/06 G03F7/07 G03C8/52
Imaging element and method for making a lithographic printing plate
according to the silver salt diffusion transfer process
Abstract:
The present invention provides an imaging element comprising on a support in the order given (i) a base layer comprising a binder in an amount between 1 and 4 g/m.sup.2, (ii) a photosensitive layer comprising a spectrally sensitised silver halide emulsion, and (iii) a receiving layer containing physical development nuclei in water permeable relationship with said photosensitive layer, characterized in that the base layer contains a latex polymer or copolymer with a glass transition temperature Tg not higher than 40.degree. C.
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