Patents by Inventor Edmond S. Perry

Edmond S. Perry 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).

  • Scintillation counting compositions
    Patent number: 4127499
    Abstract: Scintillation counting compositions are described, comprising polymeric particles derived from a latex and loaded with at least one uniformly dispersed hydrophobic fluor so as to permit detection of low-energy radiation.Scintillation counting elements comprising a substrate coated with a dried layer of the above-described scintillation counting compositions are also described.
    Type: Grant
    Filed: October 7, 1976
    Date of Patent: November 28, 1978
    Assignee: Eastman Kodak Company
    Inventors: Tsang J. Chen, Raymond S. Miller, Edmond S. Perry
  • Electrographic developing composition and process using a fusible, crosslinked binder polymer
    Patent number: 3938992
    Abstract: The present invention relates to an electrographic developing composition containing finely divided carrier particles and finely divided toner particles having incorporated therein a fusible, crosslinked binder polymer. An improved electrographic developing process using such toner particles is also disclosed.
    Type: Grant
    Filed: August 19, 1974
    Date of Patent: February 17, 1976
    Assignee: Eastman Kodak Company
    Inventors: Thomas A. Jadwin, Ravi Khanna, Stewart H. Merrill, Edmond S. Perry
  • Electrographic developing composition and process
    Patent number: RE31072
    Abstract: The present invention relates to an electrographic developing composition containing finely divided carrier particles and finely divided toner particles having incorporated therein a fusible, crosslinked binder polymer. An improved electrographic developing process using such toner particles is also disclosed.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: November 2, 1982
    Assignee: Eastman Kodak Company
    Inventors: Thomas A. Jadwin, Ravi Khanna, Stewart H. Merrill, Edmond S. Perry