Priority Date: 13.02.12 (EP 20120155128)

USE OF TERPOLYMERS AS FLUID LOSS ADDITIVES IN WELL CEMENTING

  • Application ID: EP13700093
  • Status: APPLICATION DEEMED TO BE WITHDRAWN

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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) 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

  • 13.02.2012 - Priority Date (EP 20120155128)
  • 22.08.2013 - Publication A1 (WO2013120636)
  • 24.12.2014 - Publication A1 (EP2814903)

IPC Classification