Antimicrobial glass and glass-like products and method of...

Details Antimicrobial glass and glass-like products and method of... Antimicrobial glass and glass-like products and method of...

2005-07-26

2005-07-26

Clardy, S. Mark (Department: 1616)

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Heavy metal or compound thereof

C065S060400, C065S060510, C065S114000, C514S495000

Reexamination Certificate

active

06921546

ABSTRACT:
A glass or glass-like substrate having a contact-killing, non-leaching antimicrobial effective amount of metal ions contained in at least one surface region thereof, and having a color of b*≦+6 on the CIE international color scale is disclosed. The antimicrobial substrate is prepared by providing a metal ion precursor comprising at least one source of antimicrobial effective metal ions dissolved or otherwise dispersed in a carrier material; depositing the precursor onto at least one surface of the substrate; drying the substrate at a temperature of from about 20° C. to about 105° C. by removing volatiles from the metal ion precursor; and heating the resulting substrate at a temperature of about 600-650° C. for 2-5 min. to exchange or otherwise implant antimicrobial metal ions from the precursor and into the glass or glass-like substrate.

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