Two solution stain removal systems and methods comprising an alcohol-based solution and a peroxide-based solution
US11879113B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Aug 24, 2020 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Dec 2, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/44
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Systems and methods are provided for removing a stain from a surface. A first solution is applied to the stain, wherein the first solution comprises a combination of an ammoniated substance such as ammonium hydroxide and an alcohol such as isopropanol. A second solution is then applied to the stain treated with the first solution, wherein the second solution comprises between approximately 6% and approximately 15% hydrogen peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.