Granted Patent
Utility
US 6,335,325 · App. 09/554,152
Acylated 4-aminopyridine derivatives as pesticides and fungicides
Inventors:
Thomas Bretschneider, Markus Heil, Bernd Alig, Gerd Kleefeld, Christoph Erdelen, Andreas Turberg, Norbert Mencke
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: May 9, 2000
Inventors
Thomas Bretschneider
Markus Heil
Bernd Alig
Gerd Kleefeld
Christoph Erdelen
Andreas Turberg
Norbert Mencke
Assignee (at issue)
Bayer Aktiengesellschaft
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.