Free chlorine maintained systems
US11203539B1 · kind B1 · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2019 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Dec 28, 2039 |
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 chorine down to a safe level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.