Priority Date: 09.02.12 (WO 2012CA50075)

USE OF NANOPARTICLES AS A LUBRICITY ADDITIVE IN WELL FLUIDS

  • Application ID: EP12867972
  • Status: EXAMINATION IN PROGRESS

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Specialization

This EP application has the IPC combination C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) and E21 (EARTH OR ROCK DRILLING; MINING). We found, that Hoffmann Eitle PartmbB, Murgitroyd & Company, Etudes & Productions Schlumberger, A.A. Thornton & Co., v. Füner, Ebbinghaus, Finck, Hano Patentanwälte and 3 others are specialized in this combination either. For a similar patent, they might be a good choice.

Timeline

  • 09.02.2012 - Priority Date (WO 2012CA50075)
  • 15.08.2013 - Publication A1 (WO2013116921)
  • 05.11.2014 - Publication A1 (EP2798035)