Granted Patent
Utility
US 5,315,021 · App. 07/907,415
Process for removing chlorophyll color impurities from vegetable oils
Inventors:
Christopher Randall Beharry, Levente L. Diosady, Leon J. Rubin, Ahmed Hussein
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Jul 1, 1992
Inventors
Christopher Randall Beharry
Levente L. Diosady
Leon J. Rubin
Ahmed Hussein
Assignee (at issue)
The Procter & Gamble Company
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.