G - Physics – 03 – G
Patent
G - Physics
03
G
96/155
G03G 5/04 (2006.01) G03G 5/06 (2006.01)
Patent
CA 1109714
Abstract of the Disclosure A multi-active photoconductive insulating element having at least two layers comprising an aggregate photocon- ductive layer in electrical contact with a photoconductor containing layer. The aggregate photoconductive layer comprises at least one compound having the structure: Image wherein A represents: ; ; Image or, in which R1, R2, R3, and R4, which may be the same or different, represent a substituted or unsubstituted alkyl group having from -i- 1 to 18 carbon atoms or a substituted or unsubstituted aryl group; R5 and R6, which may be the same or different, represent an electron withdrawing group, phenyl or substituted phenyl; R7 and R8, which may be the same or different represent an electron withdrawing group or hydrogen except that when Ar is unsubstituted phenylene or unsubstituted anthrylene, R7 and R8 must be other than hydrogen; R11 is an electron withdrawing group; Ar represents a substituted or unsubstituted arylene group, wherein said substituent is an electron accepting or an electron withdrawing group.
290478
Berwick Martin A.
Wright Hal E.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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