Granted Patent
Utility
US 6,589,921 · App. 10/115,490
Cyclic compounds and their use as precursors of fragrant alcohols
Inventors:
Andreas Herrmann, Jean-Yves Billard De Saint-Laumer, Otto Gräther
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Apr 2, 2002
Inventors
Andreas Herrmann
Jean-Yves Billard De Saint-Laumer
Otto Gräther
Assignee (at issue)
FIRMENICH SA
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.