Granted Patent
Utility
US 6,346,616 · App. 09/394,868
Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials
Inventor:
Raphael Duval
Patented Case
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Granted: Feb 12, 2002
Filed: Sep 13, 1999
Inventor
Raphael Duval
Assignees (at issue)
INSTITUT FRANCAIS DU PETROLE
Chiralsep S.a.r.L.
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.