Patents by Inventor Dorsey G. Dickerson

Dorsey G. Dickerson 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).

  • Activator-stabilizers in heat developable photographic materials and processes
    Patent number: 4012260
    Abstract: 2-Amino-2-thiazolinium carboxylates and 4,5-dihydro-6H-1,3-thiazin-3-ium carboxylates are activator-stabilizers in heat-developable and heat-stabilizable photographic materials containing photographic silver salts and photographic silver salt developing agents. An image in such a photographic material is developed and the resulting developed image is stabilized by heating the photographic material.
    Type: Grant
    Filed: February 19, 1975
    Date of Patent: March 15, 1977
    Assignee: Eastman Kodak Company
    Inventors: Dorsey G. Dickerson, Paul B. Merkel