Granted Patent
Utility
US 6,060,521 · App. 09/182,583
Aqueous dispersion of a particulate solid having a hydrophobic surface and films produced thereby
Inventors:
Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Oct 29, 1998
Inventors
Dennis G. Sekutowski
Gary J. Puterka
David Michael Glenn
Assignee (at issue)
Engelhard Corporation United States Department of Agriculture
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.