Granted Patent
Utility
US 5,264,597 · App. 07/899,115
Process for refining glyceride oil using precipitated silica
Inventors:
Josef P. Van Dalen, Jannes G. Lammers, Derek Aldcroft
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Jun 15, 1992
Inventors
Josef P. Van Dalen
Jannes G. Lammers
Derek Aldcroft
Assignee (at issue)
Van den Bergh Foods Co., division of Conopco, Inc.
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.