Particulate filter for purifying exhaust gases, exhaust gas purification system and method for purifying exhaust gas

There is provided a particulate filter for purifying exhaust gases from internal combustion engines, wherein the particulate filter 1 includes a substrate 2 having a gas inlet side 3 and a gas outlet side 4 and which is arranged between the gas inlet side and the gas outlet side gas flow channels 10, 12 with porous walls 14; wherein the gas flow channels are coated with an oxidation catalyst 16; and wherein in a gas-exit-side region of the gas flow channels is more oxidation catalyst than a gas-inlet-side region. Further, an exhaust gas purifying system for purifying exhaust gases from internal combustion engines and a method for purifying exhaust gas from internal combustion engines is provided.