Patent ID: 7811476

Claim:
A floor surface covering consisting of a conductive or antistatic substrate consisting of a polyvinylchloride, polyolefin or rubber based flooring with vertical conductive channels containing carbon black and a transparent topcoating which cures by drying, the topcoating having a thickness of between 0.5 μm and 100 μm and consisting of a polyurethane polymer selected from the group consisting of a PU-dispersion, a PU-solution, a two component polyurethane, a PU acrylate, or a mixture thereof and particles with a conductive coating, the particles with a conductive coating consisting of between 0.01 and 10% by weight of the topcoating of substantially spherical glass particles with a conductive coating consisting of silver and having a mean size between 0.1 and 50 μm.