TRI-AROMATIC AZOMETHINE DIRECT DYES COMPRISING AT LEAST ONE UNIT DERIVED FROM RESORCINOL, DYEING COMPOSITION, METHOD AND USE
- Application ID: EP12808333
- Status: █ EXAMINATION IN PROGRESS
This patent has the IPC combination A61 (MEDICAL OR VETERINARY SCIENCE; HYGIENE) and C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) is specialized in the combination A61 and C09. We found, that Sperling Fischer & Heyner, Engel Patentanwaltskanzlei, Vossius & Partner Patentanwälte Rechtsanwälte mbB, Isenbruck Bösl Hörschler LLP, Hepp Wenger Ryffel AG and 23 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.