Priority Date: 26.10.11 (EP 20110186718)

ALKALI METAL NITRATE AS ADDITIVE TO COOLANTS IN COOLANT SYSTEMS

  • Application ID: EP12772981
  • Status: PATENT GRANTED

Attorney

Employment test 11 - 50 employees
Company dna von kreisler selting werner
operating since 1947
Headquarter in Cologne and 1 office
active in Legal Services and IP Portfolio Processing

Specialization

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 C23 (COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL) is specialized in the combination C09 and C23. We found, that Bockhorni & Kollegen, Koepe & Partner Patentanwälte, Zimmermann & Partner Patentanwälte mbB, Gille Habral, Wynne-Jones Lainé & James LLP and 3 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 26.10.2011 - Priority Date (EP 20110186718)
  • 02.05.2013 - Publication A1 (WO2013060616)
  • 25.06.2014 - Publication A1 (EP2744869)
  • 07.12.2016 - Publication B1 (EP2744869)

IPC Classification