US Patent 9475792 Materials for organic electroluminescence devices
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Patent abstract
The present invention describes indenofluorene derivatives of the general formula I, II, III or IV having emitting and hole-transporting properties, in particular for use in the emission and/or charge-transport layer of electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising same.
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US Patent 09475792 Materials for organic electroluminescence devices US Patent 9475792 Materials for organic electroluminescence devices
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Patent Number
0947579200
Patent Number
947579200
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Patent Jurisdiction
Patent Number
094757920
Date of Patent
October 25, 2016
0Patent Application Number
131448410
Date Filed
December 22, 2009
0Official Website
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
094757920
Date of Patent
October 25, 2016
0Patent Application Number
131448410
Date Filed
December 22, 2009
0Official Website
Patent Primary Examiner
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US Patent 09475792 Materials for organic electroluminescence devices
Infobox
Is a
Patent jurisdiction
Patent number
09475792
Date of patent
October 25, 2016
Patent application number
13144841
Date Filed
December 22, 2009
Patent primary examiner
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