Patent · US Active

Methods for anodizing a part surface and subsequently coating the anodized part surface for corrosion protection purposes

US12385155B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignees

AIRBUS OPERATIONS LIMITED · DE
AIRBUS (S.A.S.) · FR

Inventors

Mariana Paz Martinez-Vidamonte · Blagnac, FR
Theodor Hack · Blagnac, FR
Malte Burchardt · Bremen, DE
Martin Beneke · Stuhr, DE

Key dates

Filing date	Apr 27, 2023
Grant date	Aug 12, 2025
Priority date	—
Expiry date	Apr 27, 2043

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25D11/16
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

To improve adhesion of Cr(VI)-free primers and suitable topcoats on aircraft parts, a method for anodizing part surface of the aircraft part that includes aluminum or an aluminum alloy including the steps of cleaning the part and exposing the part to an anodizing electrolyte. During anodizing it is essential that the temperature of the anodizing electrolyte is maintained at a constant temperature chosen from a range from 42° C. to 60° C.

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