Granted Patent
Utility
US 6,833,403 · App. 09/857,081
Aqueous dispersions of fluoropolymers
Inventors:
Hermann Bladel, Klaus Hintzer, Gernot Lohr, Werner Schwertfeger, Reinhard A. Sulzbach
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Aug 3, 2001
Inventors
Hermann Bladel
Klaus Hintzer
Gernot Lohr
Werner Schwertfeger
Reinhard A. Sulzbach
Assignee (at issue)
3M INNOVATIVE PROPERTIES 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.