Alkaline cleaning compositions comprising an alkylamino hydroxy acid and/or secondary amine and methods of reducing metal corrosion
US11198837B2 · kind B2 · utility
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13References
6Claims
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Key dates
| Filing date | Feb 26, 2018 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Feb 26, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to compositions, methods of manufacture, and methods for reducing metal corrosion during alkaline cleaning. In particular, the method employs an alkylamino hydroxy acid, secondary amine, or combination thereof in alkaline cleaning of hard surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.