Patents by Inventor Alan R. Katrizky

Alan R. Katrizky has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrophotographic organophotoreceptors with novel charge transport compounds
    Patent number: 6696209
    Abstract: An organophotoreceptor that includes: (a) a charge transport compound having the formula  where R1 and R2 are, independently, a fluorenyl group; R3 and R4 are, independently, hydrogen, an alkyl group, an aryl group, or a heterocyclic group; and X is a sulfonyldiphenylene group; (b) a charge generating compound; and (c) an electrically conductive substrate.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: February 24, 2004
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Kam W. Law, Nusrallah Jubran, Zbigniew Tokarski, Alan R. Katrizky, Ritu Jain, Anatoily Vakulenko
  • Electrophotographic organophotoreceptors with novel charge transport compounds
    Publication number: 20030138712
    Abstract: An organophotoreceptor that includes:
    Type: Application
    Filed: November 6, 2002
    Publication date: July 24, 2003
    Applicant: SAMSUNG Electronics Co. Ltd.
    Inventors: Kam W. Law, Nusrallah Jubran, Zbigniew Tokarski, Alan R. Katrizky, Ritu Jain, Anatoliy Vakulenko