Stable silver complex diffusion transfer lithographic print plate mfr.

摘要

Production of a lithographic printing plate from photographic material by the silver complex diffusion transfer process comprises using a coating development process. The amount of developer used is 60 ml/m<2> or less photographic material; and the developer contains a mercapto-oxadiazole, which has a 4 C or more alkyl group or an aryl group, and an alkanolamine and/or a meso-ionic compound.