Priority Date: 06.10.08 (US 20080246076)

Processes for Producing Multilayer Polytetrafluoroethylene Articles and Articles Formed Therefrom

  • Application ID: EP09172059
  • Status: The application is deemed to be withdrawn


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This EP application has the IPC combination B29 (WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL) and B32 (LAYERED PRODUCTS). We found, that Riechelmann & Carlsohn GbR, Frei Patentanwaltsb├╝ro, Schmauder & Partner AG, Andrejewski Honke Patent- und Rechtsanw├Ąlte GbR, Kutzenberger Wolff & Partner and 30 others are specialized in this combination either. For a similar patent, they might be a good choice.


  • 06.10.2008 - Priority Date (US 20080246076)
  • 14.04.2010 - Publication A2 (EP2174779)
  • 07.07.2010 - Publication A3 (EP2174779)

IPC Classification