Granted Patent
Utility
US 6,677,033 · App. 09/925,213
In situ fluoropolymer polymerization into porous substrates
Inventors:
Joy Sawyer Bloom, Kiu-Seung Lee, Robert Clayton Wheland
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Aug 9, 2001
Inventors
Joy Sawyer Bloom
Kiu-Seung Lee
Robert Clayton Wheland
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.