Optical waveguide with a cladding having lower transmittance in visible than near-infrared wavelength range and its use in an optical touch panel

  • Application ID: EP10163563
  • Status: The application is deemed to be withdrawn


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This EP application has the IPC class B29, G02, and G06. We found, that Santarelli, DeltaPatents BV, Patronus IP Ganahl Naefe GbR, Patentanwaltskanzlei Wittmann are specialized in this combination either. For a similar patent, they might be a good choice.


  • 23.11.2011 - Publication A1 (EP2388630)