Granted Patent
Utility
US 6,211,291 · App. 09/462,227
Polyolefin compositions
Inventors:
Loic Pierre Rolland, Melanie Beatrice Boisson
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Jun 28, 2000
Inventors
Loic Pierre Rolland
Melanie Beatrice Boisson
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.