Priority Date: 19.03.12 (US 201213423769)

LOST CIRCULATION MATERIALS AND METHODS OF USING THE SAME

  • Application ID: EP13702720
  • Status: PATENT GRANTED

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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

  • 19.03.2012 - Priority Date (US 201213423769)
  • 26.09.2013 - Publication A1 (WO2013141960)
  • 28.01.2015 - Publication A1 (EP2828350)
  • 21.12.2016 - Publication B1 (EP2828350)

IPC Classification