Granted Patent
Utility
US 6,458,407 · App. 09/445,187
Process for producing essential oil by subcritical or supercritical water treatment
Inventors:
Wataru Miki, Koichi Nakahara, Takahisa Fujii, Kenzoh Nagami, Kunio Arai
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jan 10, 2000
Inventors
Wataru Miki
Koichi Nakahara
Takahisa Fujii
Kenzoh Nagami
Kunio Arai
Assignee (at issue)
SUNTORY HOLDINGS LIMITED
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.