A process for the production of a layered body S2, comprising the process steps: i) provision of a layered body S1 comprising a substrate and an electrically conductive layer which is applied to the substrate and comprises an electrically conductive polymer P1; ii) partial covering of a part of the electrically conductive layer with a covering layer D, comprising a polymer P2, from a covering phase to obtain at least one covered region D d and at least one non-covered region D u of the electrically conductive layer, wherein the polymer P2 comprises a monomer α1, wherein the monomer α1 comprises a carboxylic acid group or a salt of a carboxylic acid group and wherein covering layer D is obtained by a process comprising the process steps: iia) application of a covering phase comprising the polymer P2 and optionally a solvent to a part of the electrically conductive layer as a pattern by means of a process selected from the group consisting of spin coating, dipping, impregnation, pouring, dripping on, spraying, misting, knife coating, brushing or printing, to a part of the electrically conductive layer in a wet film thickness of from 0.5 μm to 250 μm, the covered and the non-covered regions D d and D u resulting from the pattern; iib) optionally at least partial removal of the solvent to obtain the covering layer D; iii) reduction of the electrical conductivity of the electrically conductive layer in at least a part of the at least one non-covered region D u compared with the electrical conductivity of the electrically conductive layer in the at least one covered region D d; iv) at least partial removal of the covering layer D by an alkaline aqueous treatment. i) provision of a layered body S1 comprising a substrate and an electrically conductive layer which is applied to the substrate and comprises an electrically conductive polymer P1; ii) partial covering of a part of the electrically conductive layer with a covering layer D, comprising a polymer P2, from a covering phase to obtain at least one covered region D d and at least one non-covered region D u of the electrically conductive layer, wherein the polymer P2 comprises a monomer α1, wherein the monomer α1 comprises a carboxylic acid group or a salt of a carboxylic acid group and wherein covering layer D is obtained by a process comprising the process steps: iia) application of a covering phase comprising the polymer P2 and optionally a solvent to a part of the electrically conductive layer as a pattern by means of a process selected from the group consisting of spin coating, dipping, impregnation, pouring, dripping on, spraying, misting, knife coating, brushing or printing, to a part of the electrically conductive layer in a wet film thickness of from 0.5 μm to 250 μm, the covered and the non-covered regions D d and D u resulting from the pattern; iib) optionally at least partial removal of the solvent to obtain the covering layer D; iia) application of a covering phase comprising the polymer P2 and optionally a solvent to a part of the electrically conductive layer as a pattern by means of a process selected from the group consisting of spin coating, dipping, impregnation, pouring, dripping on, spraying, misting, knife coating, brushing or printing, to a part of the electrically conductive layer in a wet film thickness of from 0.5 μm to 250 μm, the covered and the non-covered regions D d and D u resulting from the pattern; iib) optionally at least partial removal of the solvent to obtain the covering layer D; iii) reduction of the electrical conductivity of the electrically conductive layer in at least a part of the at least one non-covered region D u compared with the electrical conductivity of the electrically conductive layer in the at least one covered region D d; iv) at least partial removal of the covering layer D by an alkaline aqueous treatment.