Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-11-28
2006-11-28
Jones, Dameron L. (Department: 1618)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C424S001650, C424SDIG016, C424S001110
Reexamination Certificate
active
07141676
ABSTRACT:
Water-soluble discrete multi-biotin-containing compounds with at least three (3) biotin moieties are disclosed. The water-soluble biotin-containing compounds may additionally comprise one or more moieties that confer resistance to cleavage by biotinidase or that is cleavable in vitro or in vivo. The discrete multi-biotin-containing compounds may include a reactive moiety that provides a site for reaction with yet another moiety, such as a targeting, diagnostic or therapeutic functional moiety. Biotinylation reagents comprising water-soluble linker moieties are also disclosed and may additionally comprise a biotinidase protective group. Methods for amplifying the number of sites for binding biotin-binding proteins at a selected target using multi-biotin compounds also are disclosed.
REFERENCES:
patent: 5521319 (1996-05-01), Huber et al.
patent: 5714166 (1998-02-01), Tomalia et al.
Hamlin Donald K.
Pathare Pradip M.
Wan Feng
Wilbur D. Scott
Jones Dameron L.
Mueller and Smith LPA
University of Washington
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