Cyclical current reversal for an electrophoretic deposition

Claim 1

IN A METHOD OF APPLYING A COATING TO A CONDUCTING SURFACE OF AN ARTICLE COMPRISING THE STEPS OF CAUSING THE SURFACE OF SAID ARTICLE TO CONTACT AN AQUEOUS BATH HAVING ORGANIC FILM-FORMING MATERIAL DISPERSED THEREIN, SAID ARTICLE SERVING AS A FIRST ELECTRODE, CAUSING A SECOND ELECTRODE TO CONTACT SAID AQUEOUS BATH, AND CAUSING A DIRECT ELECTRIC CURRENT TO FLOW BETWEEN SAID FIRST AND SECOND ELECTRODES AND THROUGH SAID AQUEOUS BATH AT AN ELECTRIC POTENTIAL SUBSTANTIALLY ABOVE THE VALUE AT WHICH THE ELECTROLYSIS OF WATER OCCURS UNTIL A COATING OF SAID FILM-FORMING MATERIAL IS ELECTRICALLY DEPOSITED UPON SAID ARTICLE FROM SAID AQUEOUS BATH, THE IMPROVEMENT WHICH COMPRISES CAUSING THE DIRECTION OF FLOW OF SAID DIRECT CURRENT BETWEEN SAID FIRST AND SECOND ELECTRODES TO BE REVERSED AFTER A SIGNIFICANT PERIOD OF TIME FOR A PREDETERMINED AND SIGNIFICANT PERIOD OF TIME, AND REPEATING THE REVERSAL WHILE SAID ARTICLE IS IN CONTACT WITH SAID AQUEOUS BATH.