Corrosion inhibition system
US-11603474-B2 · Mar 14, 2023 · US
Sealed anodization layer
US12522939B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12522939-B2 |
| Application number | US-202017127121-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 18, 2020 |
| Priority date | Dec 18, 2020 |
| Publication date | Jan 13, 2026 |
| Grant date | Jan 13, 2026 |
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- Title
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Abstract
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Disclosed is a method of sealing an anodization layer including contacting the anodization layer with a solution at a temperature greater than freezing and less than 160° F. wherein the solution comprises graphene particles and a corrosion inhibitor.
First claim
Opening claim text (preview).
What is claimed is: 1 . A method of sealing an anodization layer comprising contacting the anodization layer with a solution at a temperature greater than freezing and less than 160° F. wherein the solution comprises graphene particles and a corrosion inhibitor; wherein the corrosion inhibitor comprises a trivalent chromium compound and the solution further comprises an oxidizer; wherein the oxidizer comprises peroxide or permanganate. 2 . The method of claim 1 , wherein the corrosion inhibitor is selected from the group consisting of trivalent chromium compounds, cerium compounds, praseodymium compounds, cesium compounds, lanthanum compounds, lithium compounds, yttrium compounds, and combinations thereof. 3 . The method of claim 1 , wherein the graphene particles are functionalized. 4 . The method of claim 3 , wherein the graphene particles are functionalized with an organo-functionalized alkoxysilane. 5 . The method of claim 1 , wherein the temperature is 60 to 160° F. 6 . The method of claim 1 , wherein the temperature is 60 to 90° F. 7 . The method of claim 1 , wherein the solution further comprises an oxidizer. 8 . The method of claim 1 , wherein the solution has a pH of 3 to 5. 9 . The method of claim 1 , further comprising contacting the anodization layer with an oxidizer after contact with the solution.
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Classifications
After-treatment · CPC title
Vanes, blades, propellers, rotors with blades · CPC title
characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure · CPC title
- C25D11/246Primary
for sealing layers · CPC title
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Frequently asked questions
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- What does patent US12522939B2 cover?
- Disclosed is a method of sealing an anodization layer including contacting the anodization layer with a solution at a temperature greater than freezing and less than 160° F. wherein the solution comprises graphene particles and a corrosion inhibitor.
- Who is the assignee on this patent?
- Hamilton Sundstrand Corp
- What technology area does this patent fall under?
- Primary CPC classification C25D11/246. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 13 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).