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Organic electronic device comprising charge-transporting polyester and image forming apparatus

  • US 5,654,119 A
  • Filed: 04/05/1996
  • Issued: 08/05/1997
  • Est. Priority Date: 04/06/1995
  • Status: Expired due to Fees
First Claim
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1. An electrophotographic photoreceptor comprising a layer containing a charge-transporting polyester comprising a repeating unit comprising at least one of partial structural units represented by the following formulae (I-a) and (I-b):

  • ##STR232## wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, a substituted amino group, a halogen atom or a substituted or unsubstituted aryl group;

    X represents a substituted or unsubstituted divalent aromatic group;

    T represents a branched divalent hydrocarbon group containing a C2-10 aliphatic moiety; and

    k represents an integer of 0 or 1.

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