Patents Examined by John I Goodrow
  • Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same
    Patent number: 7361438
    Abstract: Disclosed is an electrophotographic photoconductor including at least a photoconductive layer on a conductive substrate, wherein the surface layer of the photoconductive layer contains at least a surface crosslinked layer formed by curing a tri- or more-functional radical polymerizable monomer without having a charge transporting structure and a mono-functional radical polymerizable compound having a charge transporting structure and the surface crosslinked layer has a surface roughness Rz of 1.3 ?m or less.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: April 22, 2008
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuro Suzuki, Hiroshi Tamura, Hiroshi Ikuno, Kazukiyo Nagai, Hongguo Li
  • Photoconductive members
    Patent number: 7348114
    Abstract: A photoconductive imaging member containing a photogenerating layer, and a charge transport layer containing a binder and a polyol ester.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: March 25, 2008
    Assignee: Xerox Corporation
    Inventors: Jin Wu, Cindy C. Chen, Robert P. Altavela, Liang-Bih Lin