Granted Patent
Utility
US 6,491,948 · App. 09/525,457
Composition comprising isoquercetin and ascorbic acid in a sustained release form
Inventors:
Herwig Buchholz, Jerzy Meduski
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Mar 15, 2000
Inventors
Herwig Buchholz
Jerzy Meduski
Assignee (at issue)
Merck Patent GmbH
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.