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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kitteridge; John Michael
Address:
Leeds, GB
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
6497990 Heat sensitive printing plate precursors December 24, 2002
The present invention provides a method of preparing a lithographic printing plate, said method comprising: providing a lithographic printing plate precursor comprising: i) a grained and anodized aluminum substrate where the anodic weight is between 6.0 and 20 g/m.sup.2, having coated
6228557 Processing method and apparatus for production of lithographic printing plates May 8, 2001
An apparatus is provided for processing a lithographic printing plate precursor comprising an aluminium support, an image-receiving layer and a silver halide emulsion layer. The apparatus comprises a tank for holding a processing liquid, at least one set of driving rollers, at least one
6187507 Presensitized printing plates February 13, 2001
The invention provides a lithographic printing plate precursor comprising a grained and anodized aluminium substrate having coated thereon a silver halide emulsion layer, the back surface of said substrate being coated with an inert coating which does not chemically or physically interac
6093522 Processing of lithographic printing plate precursors July 25, 2000
A wash liquor for use in the decoating of a silver halide diffusion transfer printing plate comprises an aqueous solution containing at least one organic or inorganic acid salt, such as the silicate, metasilicate, tartrate, citrate, hydroxycarboxylate, borate, hexametaphosphate, trip
6063554 Processing of lithographic printing plate precursors May 16, 2000
A wash liquor for use in the decoating of a silver halide diffusion transfer printing plate comprises an aqueous solution containing at least one non-ionic surfactant, such as an alcohol ethoxylate, an alkylphenol ethoxylate or an alkylamine ethoxylate. The liquor preferably also con
5650258 Image formation July 22, 1997
Laminates of aluminum and plastic form the substrate of printing plate precursors that are suitable for imaging in conventional roll-fed imagesetters or phototypesetters.










 
 
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