Granted Patent
Utility
US 5,665,840 · App. 08/552,649
Polymeric networks from water-soluble prepolymers
Inventors:
Thomas Pohlmann, Achim Müller, Bernhard Seiferling
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Nov 3, 1995
Inventors
Thomas Pohlmann
Achim Müller
Bernhard Seiferling
Assignee (at issue)
NOVARTIS AG
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.