METHOD FOR PRODUCING LIGNIN DERIVATIVES
- Application ID: EP12706604
- Status: █ EXAMINATION IN PROGRESS
This patent has the IPC combination C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON) and D21 (PAPER-MAKING; PRODUCTION OF CELLULOSE) is specialized in the combination C08 and D21. We found, that Maiwald Patentanwalts GmbH, EDP Patent Attorneys B.V., CPW GmbH, Tampereen Patenttitoimisto Oy, Novitas Patent AB and 2 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.