Warewashing composition for use in automatic dishwashing machines, comprising a mixture of aluminum and zinc ions
US7135448B2 · kind B2 · utility
30Cited by
54References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2003 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Jul 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0052
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A warewashing detergent composition is provided according to the invention. The warewashing detergent composition includes a cleaning agent, an alkaline source, and a corrosion inhibitor. The cleaning agent comprises a detersive amount of a surfactant. The alkaline source is provided in an amount effective to provide a use solution having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and a source of zinc ion. Methods for using and manufacturing a warewashing detergent composition are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.