Granted Patent
Utility
US 5,576,072 · App. 08/382,459
Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with at least one other, dissimilar polymer hydrogel
Inventors:
Fritz Hostettler, David Rhum, Michael R. Forman, Michael N. Helmus, Ni Ding
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Feb 1, 1995
Inventors
Fritz Hostettler
David Rhum
Michael R. Forman
Michael N. Helmus
Ni Ding
Assignee (at issue)
Schneider (USA) Inc.
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.