Granted Patent
Utility
US 6,274,653 · App. 09/380,859
Bonding agent preparations for paints, the production and use thereof
Inventors:
Reinhold Hecht, Lutz Hoppe, Erhard Luhmann
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Sep 7, 1999
Inventors
Reinhold Hecht
Lutz Hoppe
Erhard Luhmann
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.