Granted Patent
Utility
US 6,204,401 · App. 09/355,303
Purifying polyunsaturated fatty acid glycerides
Inventors:
Michel Perrut, Wieslaw Majewski, Harald Breivik
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Sep 27, 1999
Inventors
Michel Perrut
Wieslaw Majewski
Harald Breivik
Assignee (at issue)
NORSK HYDRO ASA
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.