METHOD OF USING PHTHALIC AND TEREPHTHALIC ACIDS AND DERIVATIVES THEREOF IN WELL TREATMENT OPERATIONS
- Application ID: EP13737731
- Status: █ EXAMINATION IN PROGRESS
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). We found, that Hoffmann Eitle PartmbB, Murgitroyd & Company, Etudes & Productions Schlumberger, A.A. Thornton & Co., v. Füner, Ebbinghaus, Finck, Hano Patentanwälte and 2 others are specialized in this combination either. For a similar patent, they might be a good choice.