IP Library › Granted Patent US 6,830,836
Granted Patent Utility
US 6,830,836 · Confirmation No. 8389

NOVEL HETEROCYCLIC COMPOUNDS, MATERIALS FOR LIGHT EMITTING DEVICES AND LIGHT EMITTING DEVICES USING THE SAME

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Quick Facts
Patent No.
US 6,830,836
App. No.
10/671,406
Filed
2003-09-26
Granted
2004-12-14
Pub. No.
US20040062952A1
Examiner
XU, LING X
Art Unit
1775
PTA
0 days