Granted Patent
Utility
US 6,521,708 · App. 09/992,989
Melt processible fluoropolymer composition
Inventors:
Jeong Chang Lee, Shosaku Kondo, Hajime Sato
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Nov 16, 2001
Inventors
Jeong Chang Lee
Shosaku Kondo
Hajime Sato
Assignee (at issue)
DuPont Mitsui Flurochemicals
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.