Granted Patent
Utility
US 4,983,583 · App. 07/260,750
Granulated compositions of polysaccharides, process for their preparation and use
Inventor:
Claude Ridoux
Patented Case
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Granted: Jan 8, 1991
Filed: Oct 21, 1988
Inventor
Claude Ridoux
Assignee (at issue)
Sanofi
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.