LIQUID PREPARATION FOR THE REDUCTION OF FREE OXYGEN AND THE PRESERVATION OF WATER
- Application ID: EP13702965
- Status: █ PATENT GRANTED
This patent has the IPC combination C02 (TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE) and C23 (COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL) is specialized in the combination C02 and C23. We found, that Papula Oy, Reinhardt, Pohlmann und Kaufmann Partnerschaft mbB are specialized in all of these IPC classes. For a similar patent, they might be a good choice.