Xerographic transfer method

Claim 1

IN THE PROCESS OF XEROGRAPH WHEREIN AN ELECTROSTATICALLY CHARGED, FLAT XEROGRAPHIC PLATE COMPRISING A PHOTOCONDUCTIVE INSULTING LAYER ON A CONDUCTIVE BACKING IS EXPOSED TO A LIGHT IMAGE TO FORM AN ELECTROSTATIC LATENT IMAGE ON THE PALTE SURFACE CORRESPONDING TO THE LIGHT IMAGE AND THE PLATE IS DEVELOPED WITH OPPOSITELY CHARGED PARTICLES OF DEVELOPING MATERIAL TO FORM A XEROGRAPHIC POWDER IMAGE ON THE PLATE SURFACE CORRESPONDING TO THE LIGHT IMAGE AND THE POWDER IMAGE IS TRANSFERED TO A TRANSFER SHEET SUPERPOSED THEREON, THE IMPROVEMENT FOR EFFECTING SAID POWDER IMAGE TRANSFER UNDER CONDITIONS OF HIGH RELATIVE HUMIDITY FROM THE XEROGRAPHIC PLATE TO A FLEXIBLE TRANSFER SHEET HAVING THE PROPERTY OF HIGH LATERAL CONDUCTIVITY UNDER CONDITIONS OF HIGH RELATIVE HUMIDITY COMPRISING THE STEPS OF SUPERPOSEING A CONDUCTIVE SHEET ON THE FLEXIBLE TRANSFER SHEET OVERLYING THE POWDER IMAGE, PRESSING THE CONDUCTIVE SHEET INTO INTIMATE SURFACE CONTACT WITH THE FLEXIBLE TRANSFER SHEET, AND ESTABLISHING A POTENTIAL DIFFERENCE BETWEEN THE TRANSFER SHEET AND THE PLATE BY FORMING AN ELECTRICAL CIRCUIT BETWEEN THE CONDUCTIVE SHEET AND THE CONDUCTIVE BACKING OF THE XEROGRAPHIC PLATE.