USE OF NANOPARTICLES AS A LUBRICITY ADDITIVE IN WELL FLUIDS
- Application ID: EP12867972
- Status: █ EXAMINATION IN PROGRESS
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.