Granted Patent
Utility
US 5,688,976 · App. 08/652,525
Process for the production of 8 .alpha., 12-oxido-13,14,15,16-tetranorlabdane
Inventors:
Georg Knuebel, Andreas Bomhard, Ulf Schaper, Theo Stalberg, Thomas Markert
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jul 3, 1996
Inventors
Georg Knuebel
Andreas Bomhard
Ulf Schaper
Theo Stalberg
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.