Acid formulations for use in a system for warewashing
US9481857B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2014 |
| Grant date | Nov 1, 2016 |
| Priority date | — |
| Expiry date | Mar 24, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/44
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods of acidic warewashing are disclosed. The compositions can include other materials including surfactants and chelating agents, and are preferably phosphorous free. Methods of using the acidic compositions in combination with alkaline compositions are also disclosed. Exemplary methods include using the acidic compositions together with other compositions, including alkaline compositions and rinse aids employed in an alternating alkaline/acid/alkaline manner. The methods also include acidic compositions that serve multiple roles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.