Patents by Inventor Edmond M. Mahoney

Edmond M. Mahoney 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).

  • Novel xanthene dye developers
    Patent number: 4264704
    Abstract: Novel xanthene dye developer compounds which include three or four silver halide developing groups are disclosed. Also described are photographic products and processes utilizing the dye developers.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: April 28, 1981
    Assignee: Polaroid Corporation
    Inventors: Alan L. Borror, Louis Cincotta, Edmond M. Mahoney, Michael H. Feingold
  • Novel xanthene dye developers
    Patent number: 4264507
    Abstract: Novel xanthene dye developer compounds which include three or four silver halide developing groups are disclosed. Also described are photographic products and processes utilizing the dye developers.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: April 28, 1981
    Assignee: Polaroid Corporation
    Inventors: Alan L. Borror, Louis Cincotta, Edmond M. Mahoney, Michael H. Feingold