Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Heavy metal or compound thereof
Reexamination Certificate
2008-04-29
2008-04-29
Dodson, Shelley A. (Department: 1616)
Drug, bio-affecting and body treating compositions
Inorganic active ingredient containing
Heavy metal or compound thereof
C424S078080, C424S404000
Reexamination Certificate
active
10772890
ABSTRACT:
The invention provides a method for imparting antiviral properties to a hydrophilic polymeric material comprising preparing a hydrophilic polymeric slurry, dispersing an ionic copper powder mixture containing cuprous oxide and cupric oxide in said slurry and then extruding or molding said slurry to form a hydrophilic polymeric material, wherein water-insoluble particles that release both Cu++and Cu+are directly and completely encapsulated within said hydrophilic polymeric material.
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Dodson Shelley A.
The Cuprin Corporation
Townsend and Townsend / and Crew LLP
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