Priority Date: 27.06.12 (US 201213535145)

FOAMED SPACER FLUIDS CONTAINING CEMENT KILN DUST AND METHODS OF USE

  • Application ID: EP13736708
  • Status: PATENT GRANTED

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Specialization

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

  • 27.06.2012 - Priority Date (US 201213535145)
  • 03.01.2014 - Publication A1 (WO2014004773)
  • 06.05.2015 - Publication A1 (EP2867326)
  • 02.11.2016 - Publication B1 (EP2867326)

IPC Classification