Patents by Inventor Eric D. Conte

Eric D. Conte 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).

  • Food quality indicator device
    Patent number: 7014816
    Abstract: A food quality indicator device an indicator compound provided on a substrate. The indicator compound changes color due to the presence of volatile compounds, such as volatile bases, in spoiled food, even when the food is frozen. Alternatively, the indicator compound detects the presence of an unwanted amine-producing biological agent, such as bacteria or fungi. The indicator compound is typically contained within a polymeric matrix disposed on the substrate. Examples of suitable indicator compounds include halogenated azo dyes, sulfonated xanthene dyes, and sulfonated hydroxy-functional triphenylmethane dyes.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: March 21, 2006
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Dwight W. Miller, Jon G. Wilkes, Eric D. Conte
  • Food quality indicator device
    Publication number: 20020044891
    Abstract: A food quality indicator device an indicator compound provided on a substrate. The indicator compound changes color due to the presence of volatile compounds, such as volatile bases, in spoiled food, even when the food is frozen. Alternatively, the indicator compound detects the presence of an unwanted amine-producing biological agent, such as bacteria or fungi. The indicator compound is typically contained within a polymeric matrix disposed on the substrate. Examples of suitable indicator compounds include halogenated azo dyes, sulfonated xanthene dyes, and sulfonated hydroxy-functional triphenylmethane dyes.
    Type: Application
    Filed: December 4, 2001
    Publication date: April 18, 2002
    Applicant: The Gov. of the U.S. of America, as represented by the Secretary, Dept. of Health and Human Services
    Inventors: Dwight W. Miller, Jon G. Wilkes, Eric D. Conte