Patent · US Active

Corrosion protection for glassware in a dishwasher

US11518959B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Thomas Doering · Dormagen, DE
Thomas Weber · Dormagen, DE

Key dates

Filing date	Oct 19, 2020
Grant date	Dec 6, 2022
Priority date	—
Expiry date	Jan 11, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D2111/18
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A gel which is based on polysaccharide and which includes glass protection additives selected from zinc salts, polyvinyl amide, polyvinyl amine, or combinations thereof. The invention additionally relates to the use of the gel for the corrosion protection of glassware during cleaning and/or rinsing processes, in particular in a dishwasher, and to a method for preventing the corrosion of glassware during cleaning and/or rinsing processes, in particular in a dishwasher.

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