Granted Patent
Utility
US 5,977,247 · App. 08/943,696
Aqueous coating compositions comprising curing agents which can be dispersed without solvent
Inventors:
Markus Schafheutle, Achim Voelker, Susanne Wehner, Gerd Walz
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Oct 3, 1997
Inventors
Markus Schafheutle
Achim Voelker
Susanne Wehner
Gerd Walz
Assignee (at issue)
Vianova Resins GmbH & Co. KG
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.