Granted Patent
Utility
US 6,517,984 · App. 09/818,956
Silsesquioxane compositions containing tertiary arylamines for hole transport
Inventors:
Wayne T. Ferrar, Jane Robinson Cowdery-Corvan, William T. Gruenbaum, Jeanne E. Kaeding, Michel F. Molaire, Louis J. Sorriero, David S. Weiss
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Mar 27, 2001
Inventors
Wayne T. Ferrar
Jane Robinson Cowdery-Corvan
William T. Gruenbaum
Jeanne E. Kaeding
Michel F. Molaire
Louis J. Sorriero
David S. Weiss
Assignee (at issue)
Heidelberger Druckmaschinen AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.