Patents by Inventor Dean H. Russell

Dean H. Russell 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).

  • High chloride silver halide elements containing pyrimidine compounds
    Patent number: 6573038
    Abstract: A silver halide photographic element comprising a silver halide emulsion which is greater than 50 mole % silver chloride and a pyrimidine compound represented by Formula I wherein R1, R2, and R3 are each independently a hydrogen atom or a hydroxy, alkoxy, amino, alkylamino, cyanoamino or alkyl group, and R4 is a hydroxy, alkoxy, amino, alkylamino, cyanoamino or alkyl group; provided that at least one of R1, R2, R3, and R4 is a hydroxy or an amino group.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: June 3, 2003
    Assignee: Eastman Kodak Company
    Inventors: Shihua S. Chen, Roger Lok, Alberto M. Martinez, Dean H. Russell
  • High chloride silver halide elements containing pyrimidine compounds
    Publication number: 20030082492
    Abstract: A silver halide photographic element comprising a silver halide emulsion which is greater than 50 mole % silver chloride and a pyrimidine compound represented by Formula I 1
    Type: Application
    Filed: June 1, 2001
    Publication date: May 1, 2003
    Applicant: Eastman Kodak Company
    Inventors: Shihua S. Chen, Roger Lok, Alberto M. Martinez, Dean H. Russell