Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2011-01-25
2011-01-25
Shameem, Golam M. M. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
Reexamination Certificate
active
07875748
ABSTRACT:
Disclosed are compounds represented by formula (1),wherein m, X, R1, R2, R3, R1′, R2′, R3′, and Ar are described herein. The inventive cyclopentadienone compounds can be used as core materials for an organic electroluminescence element or other optical devices. The invention also describes methods for preparing compounds of formula (1).
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Cho Hyun-Nam
Jung Sung Hyun
Lee Seung-Eun
Park Seok-Jin
Fish & Richardson P.C.
Korea Institute of Science and Technology
Otton Alicia L
Shameem Golam M. M.
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