Granted Patent
Utility
US 5,733,971 · App. 08/779,636
Aqueous and radiation-curable printing varnishes and printing inks with improved properties
Inventors:
Georg Feldmann-Krane, Petra Hinrichs, Stefan Silber, Susanne Struck
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jan 7, 1997
Inventors
Georg Feldmann-Krane
Petra Hinrichs
Stefan Silber
Susanne Struck
Assignee (at issue)
Th. Goldschmidt. 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.