Priority Date: 16.12.11 (US 201113329016)

COMPOSITIONS AND METHODS FOR TREATMENT OF WELL BORE TAR

  • Application ID: EP12809512
  • Status: NO OPPOSITION FILED WITHIN TIMELIMIT

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This patent has the IPC class C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) A.A. Thornton & Co. is specialized in C09. 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

  • 16.12.2011 - Priority Date (US 201113329016)
  • 20.06.2013 - Publication A1 (WO2013090775)
  • 22.10.2014 - Publication A1 (EP2791272)
  • 30.09.2015 - Publication B1 (EP2791272)

IPC Classification