Item protected by a rough temporary protective cover
US11465935B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Sep 13, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2218/355
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An article includes a glass substrate including two main faces defining two main surfaces separated by edges and a temporary protective layer comprising an organic polymer matrix deposited on at least one portion of a main surface of the glass substrate, wherein the temporary protective layer has a rough surface defined by a surface roughness parameter Sa, corresponding to the arithmetic mean height of the profile of the surface, of greater than 0.2 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.