Granted Patent
Utility
US 5,811,560 · App. 08/836,162
Process for the production of 8.alpha., 12-oxido-13, 14,15,16-tetranorlabdane
Inventors:
Georg Knuebel, Andreas Bomhard, Thomas Markert
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: May 5, 1997
Inventors
Georg Knuebel
Andreas Bomhard
Thomas Markert
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.