Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-06-12
2007-06-12
Aulakh, Charanjit S. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C428S690000, C428S689000, C428S917000, C546S010000, C546S159000
Reexamination Certificate
active
11303664
ABSTRACT:
Provided are complexes of the formula:wherein:M is selected from Ti, Zr, Hf, Nb, Re, Sn, and Ge,R1, R2, R3, R4, R5, R6, R7, and R8are each independently F, Cl, CF3, diarylamine, carbazolyl, alkoxy, cyano, alkyl or aryl; anda, b, c, d, e, f, g, and h are each 0, 1, 2, or 3;provided that at least one of R1, R2, R3, R4, R5, R6, R7, and R8is diarylamine or carbazolyl; or R1, R4, R5, and R7are not all the same; or R2, R3, R6, and R8are not all the same.
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Herron Norman
Wang Ying
Aulakh Charanjit S.
E. I. du Pont de Nemours and Company
Woodcock & Washburn LLP
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