Patent · US Active

Warewashing composition containing alkanol amine phosphonate and methods of use

US9765286B2 · kind B2 · utility

3Cited by

22References

20Claims

0Family size

Assignee

ECOLAB USA INC. · US

Inventors

Carter M. Silvernail · Burnsville, US
Erik C. Olson · Deerfield Beach, US
Kerrie E. Walters · Windom, US

Key dates

Filing date	Dec 22, 2014
Grant date	Sep 19, 2017
Priority date	—
Expiry date	Jun 15, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/3773
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Alkaline ware wash detergents containing an alkali metal alkalinity source and alkanol amine phosphonate scale inhibitors and methods of employing the same for superior cleaning efficacy and hard water scale control are disclosed. Alkanol amine phosphonates beneficially reduce scale build-up, including calcium carbonate scale build-up from alkaline detergents used with hard water sources. Methods of employing the detergent compositions are also disclosed.

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