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US 12,745,777 B2Granted
Ferrate compositions for surface disinfection
AssigneesThe United States Government as represented by the Department of Veterans Affairs, The Texas A&M University System
InventorsVirender K. Sharma, Chetan Jinadatha
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Abstract
Methods for disinfecting a surface are provided which include contacting a surface with a solution comprising Fe(VI)O42−, thereby disinfecting the surfaces. In some cases, the surface to be contacted with the solution is in a space suitable for human occupancy and the surface is arranged in the ambient of the space. In addition, solutions comprising Fe(VI)O42− are provided. The solutions may additionally include a hypohalite salt and a surfactant.
Claims20
A liquid disinfectant solution, comprising:
- a ferrate having a concentration from approximately 10 to approximately 1000 μM in the liquid disinfectant solution, wherein the ferrate comprises an oxycompound of iron in an oxidation state of six;
- a hypohalite salt having a concentration from approximately 0.02 to approximately 1.0 weight percent in the liquid disinfectant solution;
- sodium dodecyl sulfate having a concentration from approximately 0.0010 to approximately 1.0 g/L in the liquid disinfectant solution;
- and
- water,
- wherein the liquid disinfectant maintains stability of ferrate for at least 28 days.
3 more elements
Dependencies are inferred from the claim text.