Patents Examined by Joan Goodrow
  • Solution squarylium charge generation systems incorporating binder blends
    Patent number: 6040098
    Abstract: Charge generation layers comprising a binder and a charge generation compound, wherein the binder comprises a blend of methyl bisphenol A and an additional resin comprising an epoxy resin, a poly(phenylglycidyl ether)-co-dicyclopentadiene resin, a phenoxy resin or a polyhydroxystyrene resin. Dual layer photoconductors comprise the charge generation layer in combination with a substrate and a charge transport layer.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: March 21, 2000
    Assignee: Lexmark International, Inc.
    Inventors: David Glenn Black, Garry Dale Hinch, Dat Quoc Nguyen, Kasturi Rangan Srinivasan