Complex fluorene-containing compounds and use

Details Complex fluorene-containing compounds and use Complex fluorene-containing compounds and use

2008-03-25

2008-03-25

Garrett, Dawn L. (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C427S066000

Reexamination Certificate

active

07348071

ABSTRACT:
An organic molecular compound comprising a complex fluorene structure having either:wherein:X1, X2, X3, and X4are individually the same or different and include a moiety containing at least one CH and one N; R1, R2, R3, and R4are substituents each being individually hydrogen, or amino, or alkyl, or alkenyl, or alkynyl, or alkoxy of from 1 to 40 carbon atoms; aryl or substituted aryl of from 6 to 60 carbon atoms; or heteroaryl or substituted heteroaryl of from 4 to 60 carbons; or F, Cl, or Br; or a cyano group; or a nitro group; or R3, or R4or both are groups that form fused aromatic or heteroaromatic rings; or R1and R2together form a cyclic ring having 3 to 20 carbon, nitrogen, sulfur or oxygen atoms; or R1and R2together form a double bond moiety.

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