Priority Date: 13.05.13 (US 201313892901)

Layered Photochromic Composition and Device

  • Application ID: EP14166941
  • Status: PATENT GRANTED

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Timeline

  • 13.05.2013 - Priority Date (US 201313892901)
  • 19.11.2014 - Publication A1 (EP2804030)
  • 26.10.2016 - Publication B1 (EP2804030)

IPC Classification