Patents by Inventor Terrence Etherington

Terrence Etherington 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).

  • Radiation sensitive compositions
    Patent number: 5264329
    Abstract: A radiation sensitive composition comprises a radiation sensitive material and a dye which dye undergoes a colour change in the radiation-struck areas on image-wise exposure of the composition and a colour change when the exposed and developed composition is heated to a temperature of at least 180.degree. C.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: November 23, 1993
    Assignee: DuPont (U.K.) Limited
    Inventors: John R. Wade, Terrence Etherington, Christopher W. Folkard
  • Radiation sensitive compositions
    Patent number: 5130228
    Abstract: A radiation sensitive composition comprises a radiation sensitive material and a dye which dye undergoes a color change in the radiation-struck areas on image-wise exposure of the composition and a color change when the exposed and developed composition is heated to a temperature of at least 180.degree. C.
    Type: Grant
    Filed: September 12, 1990
    Date of Patent: July 14, 1992
    Assignee: DuPont-Howson Limited
    Inventors: John R. Wade, Terrence Etherington, Christopher W. Folkard