Granted Patent
Utility
US 6,657,033 · App. 09/719,661
Thermal bondable polyolefin fibers comprising a random copolymer of propylene
Inventors:
Franco Sartori, Giancarlo Braca
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Feb 20, 2001
Inventors
Franco Sartori
Giancarlo Braca
Assignee (at issue)
Basell Poliolefine Italia S.r.l.
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.