Free chlorine maintained systems
US11629078B1 · kind B1 · utility
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1References
4Claims
0Family size
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Key dates
| Filing date | Apr 12, 2021 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | Aug 10, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/185
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method of maintaining a safe free chlorine level in a body of water for recreational use where the free chlorine level at a harmful level comprises determining if the free chlorine level in the body of water is above a safe level and adding sufficient DMH to the body of water to bring the free chlorine down to a safe level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.