Granted Patent
Utility
US 6,183,729 · App. 09/202,225
Stable vitamin C concentrates
Inventors:
Bertus Noordam, Luppo Edens
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Dec 10, 1998
Inventors
Bertus Noordam
Luppo Edens
Assignee (at issue)
Cosmoferm 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.