Granted Patent
Utility
US 6,706,500 · App. 10/041,892
Process for the preparation of L-menthol
Inventors:
Ian-Lucas Gatfield, Jens-Michael Hilmer, Uwe Bornscheuer, Rolf Schmidt, Sandra Vorlová
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Jan 7, 2002
Inventors
Ian-Lucas Gatfield
Jens-Michael Hilmer
Uwe Bornscheuer
Rolf Schmidt
Sandra Vorlová
Assignee (at issue)
Symrise GmbH & Co. KG
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.