G03C8/12 - CPC Classification

Diffusion transfer processes or agents therefor; Photosensitive materials for such processes; Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors characterised by the releasing mechanism

• G03C8/14 » oxidation of the chromogenic substances 0
• G03C8/22 » Reduction of the chromogenic substance 0