Patent · US Expired

Method for cleaning units used to prepare coffee

US6998376B1 · kind B1 · utility

4Cited by

6References

15Claims

0Family size

Assignee

Ecolab GmbH & Co. OHG · DE

Inventors

Thomas Tyborski · Mülheim an der Ruhr, DE
Werner Ludecke · Erkrath, DE

Key dates

Filing date	Oct 19, 2000
Grant date	Feb 14, 2006
Priority date	—
Expiry date	Mar 1, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D2111/20
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

In this process, the inner surfaces of the installations which have been in contact with the coffee are treated with an aqueous alkaline solution containing at least one peroxidic compound.

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