Patent · US Active

Detergent for gentle removal of inks and markers

US10174214B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

CHEMETALL GMBH · DE

Inventors

Peter Bons · Reichelsheim, DE
Rüdiger Rein · Bad Vilbel, DE
Jorg Worner · Könnern, DE
Miriam Corneli · Hattersheim, DE

Key dates

Filing date	Jun 16, 2015
Grant date	Jan 8, 2019
Priority date	—
Expiry date	Jun 16, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D2111/16
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a detergent for gentle removal of inks as used for marking in a roll mill, and to markers as used in production for temporary marking. According to the invention, the problem is solved by a detergent which permits the gentle removal of inks or markers from metallic surfaces in the form of a concentrate or a cleaning bath solution containing at least one water-immiscible solvent in an amount of 4 to 200 g/l, at least one anionic and/or nonionic surfactant in an amount of 8-300 g/l, at least one complexing agent in an amount of 1-100 g/l, at least one buffer substance in an amount of 1-100 g/l and at least one water-miscible solvent in an amount of 4-200 g/l in water.

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