Patent · US Active

Corrosion resistant substrate and method for producing the same

US8592029B2 · kind B2 · utility

0Cited by

17References

33Claims

0Family size

Assignee

Gerhard Heiche GmbH · DE

Inventors

Gunter Heiche · Schwaigern, DE
Peter Koenig · Wiesloch, DE

Key dates

Filing date	Feb 22, 2007
Grant date	Nov 26, 2013
Priority date	—
Expiry date	Jun 16, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31663
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A corrosion resistant substrate is provided having a Cr(VI) free corrosion resistant two layer coating. The substrate is substantially comprised of aluminum, an aluminum alloy, magnesium or a magnesium alloy. A first wet chemical deposited inorganic passivation layer is directly positioned on the substrate and a second organic modified polysiloxane layer is directly positioned on the passivation layer.

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