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BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE

  • US 20120223295A1
  • Filed: 02/06/2012
  • Published: 09/06/2012
  • Est. Priority Date: 02/07/2011
  • Status: Active Grant
First Claim
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1. A biscarbazole derivative, which is represented by the following formula (1):

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