ELECTROPHTOGRAPHIC MATERIAL Russian patent published in 1996 - IPC

FIELD: photographic materials. SUBSTANCE: in order to enlarge choice of electrophotographic materials by way of providing highly sensitive flexible material, polyimides of general formula where A is tert-butyl, O, CO, O- S-O, and N=N, B is aromatic, heterocyclic, or cycloalifatic residue having four free valencies located in pairs on adjacent ring carbon atoms, x = 0-0.3, and n = 1-500, are used as material for photosensitive layer, which, together with electroconductive layer, is applied onto emulsion carrier. EFFECT: increased flexibility of material.