Priority Date: 31.12.11 (US 201113342004)

IRREVERSIBLE THERMOCHROMIC INK COMPOSITIONS

  • Application ID: EP12815913
  • Status: NO OPPOSITION FILED WITHIN TIMELIMIT

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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

  • 31.12.2011 - Priority Date (US 201113342004)
  • 04.07.2013 - Publication A2 (WO2013101586)
  • 29.04.2015 - Publication A2 (EP2864129)
  • 30.03.2016 - Publication B1 (EP2864129)