Granted Patent
Utility
US 6,518,365 · App. 09/629,918
High melt swell polymer
Inventors:
Richard Powell, Richard T. Chou, George Wyatt Prejean
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Jul 28, 2000
Inventors
Richard Powell
Richard T. Chou
George Wyatt Prejean
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.