Galvanic anode and method of corrosion protection
US10227698B2 · kind B2 · utility
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11References
14Claims
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Key dates
| Filing date | Jul 18, 2013 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Sep 29, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F2213/22
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hybrid sacrificial galvanic anode, an anodic system including the hybrid sacrificial anode, and a method of cathodically protecting steel reinforcement in concrete structures is provided. The hybrid anode provides initial steel polarization followed by long term galvanic protection without the use of batteries or external power supplies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.