PHOTOCATALYTIC AIR PURIFICATION AND DISINFECTION COMPOSITION AND SYSTEM
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United States of America Patent
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Issued Date -
Feb 16, 2023
app pub date -
Oct 10, 2022
filing date -
Oct 10, 2022
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Abstract
A combination of bismuth oxyhalides is provided, which is a photooxidant, antibacterial and antiviral. The combination of bismuth oxyhalides is added to a filter medium (e.g., a multistage filter) to decompose VOCs and/or eliminate bacteria and/or viruses. Suitable designs of multistage filters are also provided.
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