Method for the preparation of planographic printing plates from silver images

A method for the preparation of a planographic printing plate wherein a sheet material comprising an outer hardenable hydrophilic colloid layer on the surface of which is concentrated a silver image which has been formed at that surface from complexed silver halide by silver complex diffusion transf...

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Bibliographische Detailangaben
Hauptverfasser:	POLLET, ROBERT JOSEPH, SELS, FRANCIS JEANNE, TAVERNIER, BERNARD HIPPOLIET, SERRIEN, FRANS PHILOMENA
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY ELECTROGRAPHY HETEROCYCLIC COMPOUNDS HOLOGRAPHY MATERIALS THEREFOR METALLURGY ORGANIC CHEMISTRY ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	A method for the preparation of a planographic printing plate wherein a sheet material comprising an outer hardenable hydrophilic colloid layer on the surface of which is concentrated a silver image which has been formed at that surface from complexed silver halide by silver complex diffusion transfer process, is treated with an aqueous lithographic fixer having a pH-value in the range from about 4.5 to about 7.2 and containing :