Patent · US Active

Synergistic stain removal through novel chelator combination

US9546345B2 · kind B2 · utility

8Cited by

0References

14Claims

0Family size

Assignee

ECOLAB USA INC. · US

Inventors

Tobias Foster · Saint Paul, US
David W. Gohl · Eagan, US
Sven Klose · Essen, DE
Dirk Kullwitz · Tönisvorst, DE
John Mansergh · Cottage Grove, US
Timothy Meier · Saint Paul, US
Beana Pathicheril · Saint Paul, US

Key dates

Filing date	Sep 9, 2013
Grant date	Jan 17, 2017
Priority date	—
Expiry date	Sep 9, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D2111/14
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a concentrated detergent composition comprising an alkali metal carbonate, methylglycinediacetic acid, glutamic acid N,N-diacetic acid, and alkali metal tripolyphosphate. The composition is particularly suited to remove tea and coffee soil in warewashing applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.