Patent · US Active

Method for coating metal surfaces in a multi-step method

US9511392B2 · kind B2 · utility

0Cited by

8References

27Claims

0Family size

Assignee

CHEMETALL GMBH · DE

Inventors

Lars Sebralla · Bruchköbel, DE
Manfred Walter · Nuremberg, DE

Key dates

Filing date	Mar 3, 2010
Grant date	Dec 6, 2016
Priority date	—
Expiry date	Mar 3, 2030

Classification

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

Abstract

A method for coating metal surfaces, in particular surfaces of wheels made of an aluminum alloy, in a multi-step method, wherein the metallic surfaces are first contacted with an aqueous composition predominantly containing silane/silanol/siloxane/polysiloxane and thereafter contacted with an aqueous composition predominantly containing at least one phosphonic compound.

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