Priority Date: 20.06.12 (US 201213527588)

OIL ABSORBENT OILFIELD MATERIALS AS ADDITIVES IN OIL-BASED DRILLING FLUID APPLICATIONS

  • Application ID: EP13721422
  • Status: GRANT OF PATENT INTENDED

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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

  • 20.06.2012 - Priority Date (US 201213527588)
  • 27.12.2013 - Publication A1 (WO2013191776)
  • 29.04.2015 - Publication A1 (EP2864438)

IPC Classification