Polymers for enhanced hydrocarbon recovery
- Application ID: EP13162668
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This EP application has the IPC combination C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON) and C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR). Maiwald Patentanwalts GmbH is specialized in the combination C08 and C09. We found, that Manfred Köhler und Kollegen, Sperling Fischer & Heyner, Patentanwälte Rauschenbach, Lederer Keller Patentanwälte Partnerschaft mbB, Hoffmann Eitle PartmbB and 81 others are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.