Electrophotographic recording paper and method of making

Claim 1

AN ELECTROPHOTOGRAPHIC PRINTING RECEPTOR COMPRISING: A VASE AND A COATING ON SAID BASE COMPRISING A MAJOR PROPORTION OF A PIGMENT CONSISTING ESSENTIALLY OF FINELY DIVIDED PHOTOCONDUCTIVE PARTICLES AND A MINOR PROPORTION COMPARED TO SAID PIGMENT F A BINDER FOR SAID PARTICLES CONSISTING ESSENTIALLY OF A WATER-INSOLUBLE AND ELECTRICALLY INSULATING EVAPORATION RESIDUE OF AN AQUEOUS SOLUTION OF A WATER SOLUBLE SALT OF A COPOLYMER OF VINYL ACETATE AND CROTONIC ACID AND A VOLATILE BASE SELECTED FROM THE GROUP CONSISTING IN AMMONIA ND VOLATILE AMINES, AND SAID PARTICLES BEING HELD TOGETHER BY SAID BINDER IN SUBSTANTIALLY ELECTRICALLY CONDUCTING RELATION.