Granted Patent
Utility
US 5,780,552 · App. 08/710,218
Fluoropolymers having core/shell structure with functional units in the shell
Inventor:
Dewey Lynn Kerbow
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Sep 13, 1996
Inventor
Dewey Lynn Kerbow
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.