Patent · US Expired

Corrosion protection on metals

US7427442B2 · kind B2 · utility

22Cited by

14References

18Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Philipp Albert · Bad Kötzting, DE
Ekkehard Mueh · Rheinfelden (Baden), DE
Eckhard Just · Rheinfelden (Baden), DE

Key dates

Filing date	Sep 23, 2003
Grant date	Sep 23, 2008
Priority date	—
Expiry date	Apr 24, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Corrosion protection on metals The present invention relates to a coating on a metal to protect against corrosion, comprising the following layer sequence: (i) metal surface, (ii) layer based on a sol containing silicon compounds, (iii) layer based on at least one organosilane, (iv) if desired, one or more coating films. The present invention further relates to a process for producing such a coating and to the use thereof.

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