Patents by Inventor Cynthia A. Salsedo

Cynthia A. Salsedo 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).

  • Method to reduce corrosivity of photographic processing effluent
    Patent number: 6740477
    Abstract: This relates to a method of rendering a used photographic processing solution less corrosive to low carbon steel comprising: taking at least a used photographic processing solution containing a color developing agent and a used photographic processing solution containing a bleaching agent; delivering the used photographic processing solutions to a collection vessel to form a used photographic processing composition; and adjusting the pH of the used photographic processing composition to 6.5 to 11.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: May 25, 2004
    Assignee: Eastman Kodak Company
    Inventors: Eric R. Schmittou, Cynthia A. Salsedo
  • Method to reduce corrosivity of photographic processing effluent
    Publication number: 20030194661
    Abstract: This relates to a method of rendering a used photographic processing solution less corrosive to low carbon steel comprising:
    Type: Application
    Filed: May 12, 2003
    Publication date: October 16, 2003
    Inventors: Eric R. Schmittou, Cynthia A. Salsedo
  • Method to reduce corrosivity of photographic processing effluent
    Patent number: 6579669
    Abstract: This relates to a method of rendering a used photographic processing solution less corrosive to low carbon steel comprising: taking at least a used photographic processing solution containing a color developing agent and a used photographic processing solution containing a bleaching agent; delivering the used photographic processing solutions to a collection vessel to form a used photographic processing composition; and adjusting the pH of the used photographic processing composition to 6.5 to 11.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: June 17, 2003
    Assignee: Eastman Kodak Company
    Inventors: Eric R. Schmittou, Cynthia A. Salsedo