Process for depositing rinsable silsesquioxane films on metals
US8597482B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Sep 12, 2011 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Apr 18, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D7/51
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Cleaned metal surfaces are coated with an aqueous anti-corrosion treatment. The anti-corrosion treatment includes an organofunctional silsesquioxane and a fluoro metallic acid such as H2TiF6, H2ZrF6, as well as others and blends. The metal surface can be rinsed immediately after coating, making this anti-corrosion treatment suitable for preparing a metal surface for electrocoating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.