77404118
Feb 22, 2008
Apr 28, 2009
Active Trademark
chemicals for industrial use, namely, organic electroluminescent materials, emitting materials for organic electroluminescence, hole injection materials for organic electroluminescence, hole transport materials for organic electroluminescence, electron injection materials for organic electroluminescence, electron transport materials for organic electroluminescence, color changing media materials, [ solutions of color changing media materials, ] and emitting materials for organic electroluminescent displays
Chemicals