Priority Date: 22.10.13 (CN 20131497488)

Layered trickle filter and method for treating wastewater involving dosing of chemicals

  • Application ID: EP14188570
  • Status: PATENT GRANTED

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Specialization

This EP application has the IPC class C02 (TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE). Kancelaria Patentowa Matthias Scholl Inc is specialized in C02. Kancelaria Patentowa Matthias Scholl Inc is specialised in C02 (TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 22.10.2013 - Priority Date (CN 20131497488)
  • 29.04.2015 - Publication A1 (EP2865653)
  • 13.07.2016 - Publication B1 (EP2865653)