Patents by Inventor Andrea L. Opatz

Andrea L. Opatz 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).

  • Patent number: 6699647
    Abstract: Photothermographic imaging materials having increased photospeed are provided by certain tellurium chemical sensitizers that are added during the formulation of a photothermographic emulsion.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: March 2, 2004
    Assignee: Eastman Kodak Company
    Inventors: Doreen C. Lynch, Andrea L. Opatz, Steven M. Shor, Sharon M. Simpson, Brian C. Willett, Henry J. Gysling
  • Patent number: 6620577
    Abstract: Photothermographic imaging materials having increased photospeed are provided by certain selenium chemical sensitizers that are added during the formulation of a photothermographic emulsion. These selenium chemical sensitizers can be used alone or in combination with other sulfur, tellurium, or gold chemical sensitizers as well as with oxidatively decomposed sulfur-containing compounds.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: September 16, 2003
    Assignee: Eastman Kodak Company
    Inventors: Doreen C. Lynch, Andrea L. Opatz, Henry J. Gysling, Sharon M. Simpson
  • Publication number: 20020164549
    Abstract: Photothermographic imaging materials having increased photospeed are provided by certain tellurium chemical sensitizers that are added during the formulation of a photothermographic emulsion.
    Type: Application
    Filed: October 11, 2001
    Publication date: November 7, 2002
    Applicant: Eastman Kodak Company
    Inventors: Doreen C. Lynch, Andrea L. Opatz, Steven M. Shor, Sharon M. Simpson, Brian C. Willett, Henry J. Gysling