Priority Date: 26.06.12 (US 201261664591P)

SPHERICAL PELLETS CONTAINING COMMON CLAY PARTICULATE MATERIAL USEFUL AS A PROPPANT IN HYDRAULIC FRACTURING OF OIL AND GAS WELLS

  • Application ID: EP13809451
  • Status: APPLICATION DEEMED TO BE WITHDRAWN

Attorneys

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Specialization

This patent 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) is specialized in the combination C09 and E21. We found, that Hoffmann Eitle PartmbB, Murgitroyd & Company, RACKETTE Patentanwälte PartG mbB, A.A. Thornton & Co., v. Füner, Ebbinghaus, Finck, Hano Patentanwälte and 1 other are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 26.06.2012 - Priority Date (US 201261664591P)
  • 03.01.2014 - Publication A1 (WO2014004681)
  • 29.04.2015 - Publication A1 (EP2864443)

IPC Classification