Granted Patent
Utility
US 6,149,970 · App. 09/319,015
Aqueous protective coating agent
Inventors:
Eva Frigge, Brigitte Bode, Gerhard Breidenbach, Richard Gutte
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: May 28, 1999
Inventors
Eva Frigge
Brigitte Bode
Gerhard Breidenbach
Richard Gutte
Assignees (at issue)
Herberts GmbH & Co. KG
Clariant Corporation
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.