Granted Patent
Utility
US 6,632,879 · App. 09/548,994
Compatible thermoplastic polyurethane-polyolefin blend compositions
Inventors:
Jeffery E. Brann, Stephen H. Cree
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Apr 14, 2000
Inventors
Jeffery E. Brann
Stephen H. Cree
Assignee (at issue)
DUPONT DOW ELASTOMERS, LLC
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.