Granted Patent
Utility
US 5,959,061 · App. 08/900,519
Hardeners for water-dilutable epoxy resin systems with a potlife indication
Inventors:
Uwe Neumann, Martin Gerlitz
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jul 25, 1997
Inventors
Uwe Neumann
Martin Gerlitz
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.