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  • Status: APPLICATION DEEMED TO BE WITHDRAWN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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operating since 1980
Headquarter in Berlin and 2 offices
active in Legal Services and IP Consulting

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

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

IPC Classification