Granted Patent
Utility
US 6,509,396 · App. 09/626,323
Coating agent emulsion and its use in lacquers
Inventors:
Lutz Hoppe, Hans-Günter Poersch-Panke, Klaus Nachtkamp
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jul 26, 2000
Inventors
Lutz Hoppe
Hans-Günter Poersch-Panke
Klaus Nachtkamp
Assignee (at issue)
Wolff Walsrode 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.