Conversion coating application system including hydrogels and methods of using same
US12378674B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 6, 2024 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | Jun 6, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/73
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A conversion coating applicator includes a first liner, a hydrogel attached to the first liner, and a second liner removably attached to the hydrogel. The hydrogel includes a trivalent chromium conversion coating solution including a trivalent chromium compound, a zirconate compound, and a dye compound. The conversion coating solution is an aqueous solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.