Granted Patent
Utility
US 6,749,832 · App. 10/168,714
Labelled ascorbic acid derivatives
Inventors:
Susan Champion, Richard Pither
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Sep 16, 2002
Inventors
Susan Champion
Richard Pither
Assignee (at issue)
Amersham PLC
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.