Granted Patent
Utility
US 6,177,367 · App. 09/230,250
Process for providing fibers or nonwovens with a hydrophilic coating
Inventor:
Raymond Mathis
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: May 25, 1999
Inventor
Raymond Mathis
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.