METHOD AND COMPOSITION FOR TREATING FLUIDS BEFORE INJECTION INTO SUBTERRANEAN ZONES
- Application ID: EP11717314
- Status: █ APPLICATION WITHDRAWN
This EP application has the IPC class 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). A.A. Thornton & Co. is specialized in the combination C09 and E21. We found, that Hoffmann Eitle PartmbB, Murgitroyd & Company, Etudes & Productions Schlumberger, v. Füner, Ebbinghaus, Finck, Hano Patentanwälte, Kaminski & Partners and 1 other are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.