Methods for maintaining zonal isolation in a subterranean well
- Application ID: EP13305674
- Status: █ PATENT GRANTED
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Specialization
This patent has the IPC combination C04 (CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES) and C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) is specialized in the combination C04 and C09. We found, that Engel Patentanwaltskanzlei, Dr. Solf & Zapf, Demski & Nobbe, Weser & Kollegen, Cabinet Michel Richebourg and 3 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.
Timeline
- 26.11.2014 - Publication A1 (EP2806007)
- 05.04.2017 - Publication B1 (EP2806007)