Hemoactive compositions and methods for their manufacture...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C514S054000, C514S060000, C514S777000, C514S944000, C530S354000, C530S356000, C530S380000, C530S402000, C424S078020, C424S078060, C424S478000, C435S810000

Reexamination Certificate

active

07320962

ABSTRACT:
Dried hemoactive materials comprise both a cross-linked biologically compatible polymer and a non-cross-linked biologically compatible polymer. The cross-linked polymer is selected to form a hydrogel when exposed to blood. The non-cross-linked polymer is chosen to solubilize relatively rapidly when exposed to blood. The non-cross-linked polymer serves as a binder for holding the materials in desired geometries, such as sheets, pellets, plugs, or the like. Usually, the cross-linked polymer will be present in a particulate or fragmented form. The materials are particularly suitable for hemostasis and drug delivery.

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