Patents Represented by Law Firm Armstrongt, Westerman, Hattori, McLeland & Naughton
  • Patent number: 5932382
    Abstract: The present invention provides an electrophotographic photoreceptor which can be prepared so easily as to exhibit a photosensitivity well-adjusted for the respective type of machine in the dip coating method, which is an ordinary method for the preparation of an electrophotographic photoreceptor. A novel electrophotographic photoreceptor is provided comprising a charge-transporting layer and a charge-generating layer provided on an electrically-conductive support, wherein the charge-generating layer is a layer comprising a charge-generating material containing a phthalocyanine compound represented by the following general formula (1) dispersed in a resin: ##STR1## wherein Ar.sup.1 and Ar.sup.2 each independently represent an orthophenylene group which may have a substituent; and Pc represents an unsubstituted or substituted phthalocyanine residue.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: August 3, 1999
    Assignee: Dainippon Ink & Chemicals, Inc.
    Inventors: Yoshitaka Saito, Katsunori Oba, Shinichi Okada