Method and device for the continuous return of extract water in the polyamide production process
- Application ID: EP13161146
- Status: █ NO OPPOSITION FILED WITHIN TIMELIMIT
This EP application has the IPC class B01 (PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL) and C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON). There is no patent agent firm in the market, which is specialized in this combination of IPC classes.