Granted Patent
Utility
US 5,932,636 · App. 08/841,332
Aqueous dispersion of ionic aralkylated epoxy resin and blocked polyisocyanate with polymerized monomers
Inventors:
Uwe Neumann, Michael Hoenel, Achim Voelker, Gerd Walz, Susanne Wehner, Peter Ziegler
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Apr 30, 1997
Inventors
Uwe Neumann
Michael Hoenel
Achim Voelker
Gerd Walz
Susanne Wehner
Peter Ziegler
Assignee (at issue)
Vianova Resins 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.