Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2005-07-13
2008-10-07
Cano, Milton I. (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C548S440000, C564S427000, C564S434000
Reexamination Certificate
active
07431997
ABSTRACT:
A phenylcarbazole compound of formula (1) below is provided,where each of R1and R2is independently a monosubstituted or polysubstituted functional group selected from the group consisting of hydrogen atom, a substituted or unsubstituted C1-C30alkyl group, a substituted or unsubstituted C6-C30aryl group, a substituted or unsubstituted C4-C30heterocyclic group, a substituted or unsubstituted C6-C30condensed polycyclic group, wherein groups adjacent to R1and R2bind and form a saturated or unsaturated cyclic hydrocarbon group, and Ar is a substituted or unsubstituted C6-C30aryl group or a C6-C30heteroaryl group, wherein the substituent R4is defined herein. Also included is an organic electroluminescence device comprising the above phenylcarbazole compounds.
REFERENCES:
patent: 2007/0231503 (2007-10-01), Hwang et al.
patent: 2005-097460 (2005-04-01), None
Hwang Seok-Hwan
Kim Hee-Yeon
Kim Young-Kook
Lee Chang-Ho
Lee Seok-Jong
Cano Milton I.
Knobbe Martens Olson & Bear LLP
Samsung SDI & Co., Ltd.
Thompson Camie S
LandOfFree
Phenylcarbazole compounds and organic electroluminescence... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Phenylcarbazole compounds and organic electroluminescence..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Phenylcarbazole compounds and organic electroluminescence... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4011695