The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2025
Filed:
Nov. 13, 2020
Rtx Corporation, Farmington, CT (US);
Lei Chen, South Windsor, CT (US);
Weilong Zhang, Glastonbury, CT (US);
RTX CORPORATION, Farmington, CT (US);
Abstract
Disclosed is a method of providing corrosion protection to an anodized metal including providing a metal having an anodization layer wherein the anodization layer includes a barrier portion; contacting the anodization layer with a first solution at a first temperature to seal the barrier portion; and contacting the anodization layer with the sealed barrier portion with a second solution at a second temperature to deposit a precipitated rare earth compound in the anodization layer with the sealed barrier portion; wherein the first solution includes a transition metal oxyanion and has a pH of 3 to 6 and the second solution includes a trivalent rare earth cation.