Patents by Inventor Weimar Weatherly White

Weimar Weatherly White 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).

  • Photographic element containing new gold(I) compounds
    Patent number: 5700631
    Abstract: A photographic element is provided comprising a support having situated thereon a silver halide emulsion layer, the emulsion layer comprising a compound of the formula:Z--SO.sub.2 S--Au(I)--L (I)whereinZ represents an alkyl, aryl, or heterocyclic group; andL represents a thioether, selenoether or telluroether containing ligand.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: December 23, 1997
    Assignee: Eastman Kodak Company
    Inventors: Roger Lok, Weimar Weatherly White
  • Photographic element containing new gold (I) compounds
    Patent number: 5686236
    Abstract: A photographic element comprising a support having situated thereon a silver halide emulsion layer, said emulsion layer comprising a compound of the formula:Z--SO.sub.2 S--Au(I)--SQ (I)whereinZ represents an alkyl, aryl, or heterocyclic group; andQ represents an aryl or heterocyclic group.
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: November 11, 1997
    Assignee: Eastman Kodak Company
    Inventors: Roger Lok, Weimar Weatherly White