Patents by Inventor Harvey A. Hodes

Harvey A. Hodes 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).

  • Low gamma photographic developer
    Patent number: 4205124
    Abstract: A photographic developer composition containing Phenidone and hydroquinone in a 1 to 2 weight ratio, the composition having a gamma less than 1 and a pH in the range of about 9.8 to 10.4. The composition is particularly useful as an extended range developer for rapid processing of aerial film.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: May 27, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Harvey A. Hodes
  • Color photographic developer composition
    Patent number: 4119462
    Abstract: A color photographic developer composition is provided that is capable of celerating the process of development of multicolor, multilayer color film under actual processing conditions by including in the developer composition about 0.5 to 1.0 percent by volume of the composition of 2-anilinoethanol.
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: October 10, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Harvey A. Hodes