Granted Patent
Utility
US 5,232,724 · App. 07/613,063
Method for stabilizing alcoholic beverages using an aqueous suspension containing amorphous silica
Inventors:
Derek Aldcroft, John R. Newton
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Nov 15, 1990
Inventors
Derek Aldcroft
John R. Newton
Assignee (at issue)
Unilever Patent Holdings B.V.
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.