Patent · US Active

Chromium-free corrosion inhibition coating

US10829647B2 · kind B2 · utility

1Cited by

9References

20Claims

0Family size

Assignee

Hamilton Sundstrand Corporation (HSC) · US

Inventors

Tianli Zhu · Glastonbury, US
Blair A. Smith · South Windsor, US
Weilong Zhang · Glastonbury, US
Michael A. Kryzman · Town of West Hartford, US
Georgios S. Zafiris · Glastonbury, US
Bart Antonie van Hassel · Getzville, US

Key dates

Filing date	Dec 11, 2018
Grant date	Nov 10, 2020
Priority date	—
Expiry date	Dec 11, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/327
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed is a corrosion inhibition coating, comprising: a base comprising a matrix and a metal within the matrix; and an inhibitor comprising: zinc molybdate, cerium citrate, magnesium metasilicate, a metal phosphate silicate, or a combination thereof, wherein the metal within the matrix comprises aluminum, an aluminum alloy, zinc, a zinc alloy, magnesium, a magnesium alloy, or a combination thereof. Also disclosed is a substrate coated with the corrosion inhibition coating.

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