Patents by Inventor Dietrich M. Fabricius

Dietrich M. Fabricius 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).

  • Radiographic elements with improved covering power
    Patent number: 5035990
    Abstract: An improved, tabular grain radiographic element is described. This element contains a covering power enhancing amount of a thione and exhibits improved covering power and contrast over elements made without the thione.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: July 30, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Dietrich M. Fabricius, Otho P. Hoyte