Granted Patent
Utility
US 6,630,188 · App. 09/720,669
Stabilization of pigments and polyunsaturated oils
Inventors:
Harald Breivik, Lola Irene Sanna
Patented Case
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Granted: Oct 7, 2003
Filed: Mar 2, 2001
Inventors
Harald Breivik
Lola Irene Sanna
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.