Priority Date: 11.10.11 (EP 20110184571)

INK COATINGS FOR SECURITY DOCUMENTS TO PREVENT FORGERY BY MEANS OF HEAT SENSITIVE ERASABLE INK

  • Application ID: EP12758844
  • Status: GRANT OF PATENT INTENDED

Applicant

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Technology Company

Attorney

Employment test 11 - 50 employees
Company dna hepp wenger ryffel ag
operating since 1975
Headquarter in Wil
active in Legal Services and IP-related Communication Service

Specialization

This patent has the IPC combination B41 (PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS) 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 B41 and C09. We found, that Hoffmann Eitle PartmbB, Koepe & Partner Patentanwälte, Weser & Kollegen, Miller Sturt Kenyon Ltd, Patentanwaltskanzlei Hinkelmann and 1 other are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 11.10.2011 - Priority Date (EP 20110184571)
  • 18.04.2013 - Publication A1 (WO2013053556)
  • 09.07.2014 - Publication A1 (EP2751210)

IPC Classification