| abstract |
THE INVENTION CONCERNS A PHOTOSENSITIVE ELEMENT. THE ELEMENT OF THE INVENTION INCLUDES A PHOTOSENSITIVE LAYER CONTAINING AN AZOIC PIGMENT CHOSEN BY THOSE REPRESENTED BY THE FORMULAS: (CF DRAWING IN BOPI) (CF DRAWING IN BOPI) IN WHICH R AND AR ARE ORGANIC RADICALS, A IS A RESIDUE OF COPULANT A OH PHENOLIC GROUP, B IS HYDROGEN OR AN ORGANIC RADICAL AND NA A VALUE 0 OR 1. APPLICATION TO ELECTROPHOTOGRAPHY. |