Patents by Inventor Judith B. Fahey

Judith B. Fahey 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).

  • Anthraquino-cycloalkane dyes
    Patent number: 4205005
    Abstract: Dyes of the class consisting of polyanthraquinocycloalkanes and dianthraquinoethenes are useful in giving broad control of the sensitivity of a photoconductor to electromagnetic radiation.
    Type: Grant
    Filed: August 11, 1977
    Date of Patent: May 27, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Judith B. Fahey