Granted Patent
Utility
US 6,441,168 · App. 09/551,405
Stable crystalline salts of 5-methyltetrahydrofolic acid
Inventors:
Rudolf Muller, Rudolf Moser, Thomas Egger
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Apr 17, 2000
Inventors
Rudolf Muller
Rudolf Moser
Thomas Egger
Assignee (at issue)
EPROVA AG
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.