Priority Date: 19.03.10 (CN 20101129540)

METHOD FOR PURIFYING SILICON

  • Application ID: EP11755655
  • Status: APPLICATION WITHDRAWN

Attorney

Employment test 201 - 500 employees
Company dna grunecker kinkeldey stockmair and schwanhausser
operating since 1924
Headquarter in Munich and 2 offices
active in Legal Services

Specialization

This EP application has the IPC class C01 (INORGANIC CHEMISTRY). 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

  • 19.03.2010 - Priority Date (CN 20101129540)
  • 22.09.2011 - Publication A1 (WO2011113338)
  • 23.01.2013 - Publication A1 (EP2548844)

IPC Classification