Granted Patent
Utility
US 5,718,834 · App. 08/730,968
Polymer-thickened deicing composition and anti-icing composition for aircraft
Inventors:
Klaus Pollmann, Josef Kapfinger
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Oct 16, 1996
Inventors
Klaus Pollmann
Josef Kapfinger
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.