gas from UV-activated chlorite ion
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United States of America Patent
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Feb 28, 2023
Grant Date -
Aug 30, 2018
app pub date -
Aug 18, 2016
filing date -
Aug 18, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Compositions and methods for generating ClO2 gas are disclosed. A composition that includes a chlorite salt is activated by exposure to ultraviolet light. After an optional storage period, the composition is then exposed to moisture, resulting in the generation of ClO2 gas. Exemplary compositions include polymers in which the chlorite salt is dispersed. The polymers may be used to form films that can be used to package, e.g., food products, pharmaceutical products, medical devices, and/or laboratory devices. Upon exposure to ultraviolet light and moisture, the packaging releases controlled quantities of ClO2 gas, which may disinfect and/or deodorize the packaged device or product.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
- A23B:PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRU....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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