Warewashing composition for use in automatic dishwashing machines
US7759299B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2006 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Jul 8, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/003
- 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 composition having a pH of at least about 8. The corrosion inhibitor includes a source of aluminum ion and at least one of a source of calcium ion or a source of magnesium ion. The amounts of calcium ion or magnesium ion can be selected depending upon the hardness of the water of dilution. Methods for using a warewashing detergent composition are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.