Patent · US Expired

Warewashing composition comprising a corrosion inhibitor with Al and Zn ions

US7196045B2 · kind B2 · utility

17Cited by
54References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 2006
Grant dateMar 27, 2007
Priority date
Expiry dateFeb 2, 2026

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.