Priority Date: 25.06.12 (US 201261663911P)

LINING FOR SURFACES OF A REFRACTORY CRUCIBLE FOR PURIFICATION OF SILICON MELT AND METHOD OF PURIFICATION OF THE SILICON MELT USING THAT CRUCIBLE (S) FOR MELTING AND FURTHER DIRECTIONAL SOLIDIFICATION

  • Application ID: EP13737040
  • Status: EXAMINATION REQUESTED

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This patent has the IPC class C30 (CRYSTAL GROWTH) is specialized in C30. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 25.06.2012 - Priority Date (US 201261663911P)
  • 03.01.2014 - Publication A1 (WO2014004496)
  • 29.04.2015 - Publication A1 (EP2864529)

IPC Classification