Metal free acid dyes, process for the production thereof and their use
- Application ID: EP13190657
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
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This patent has the IPC combination C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) and D21 (PAPER-MAKING; PRODUCTION OF CELLULOSE) is specialized in the combination C09 and D21. There is no patent agent firm in the market, which is specialized in this combination of IPC classes.