Foaming evaporator coil cleaner
US12044489B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Feb 21, 2022 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Feb 21, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28D2021/0071
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A foaming cleaner includes a composition that includes water about 50 wt. % to about 60 wt. %, a solvent about 20 wt. % to about 50 wt. %, a surfactant about 0.5 wt. % to about 2.5 wt. %, and a pH and corrosion control agent comprising 30% ammonia solution about 1.25 wt. % to about 1.75 wt. %. The composition is configured to form a foam for cleaning an evaporator coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.