Patents by Inventor Ronald H. Ericson

Ronald H. Ericson 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).

  • Photothermographic element, composition and process
    Patent number: 3955982
    Abstract: A stabilizer precursor comprising a certain halo organic compound having a halogen substituent which is a chlorine, bromine or iodine atom in a photothermographic element or composition provides improved post-processing stability. This stabilizer precursor is useful in photothermographic materials, for example, comprising photosensitive silver salt and an oxidation-reduction image-forming combination comprising a heavy metal salt oxidizing agent with a reducing agent. Certain of the halo organic compounds are incubation antifoggants for certain of the photothermographic materials.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: May 11, 1976
    Assignee: Eastman Kodak Company
    Inventors: James A. VanAllan, Ronald H. Ericson, Lorenzo F. Costa