Water-repellent-film-attached glass article and method for manufacturing same
US12319611B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jul 13, 2021 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Jul 28, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2218/32
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure provides a glass substrate to which water repellency that is not lost by a heat treatment is imparted. Provided is a water-repellent-film-attached glass article including a glass substrate and a water-repellent film on the glass substrate. The water-repellent film includes cerium oxide, a contact angle of water on a surface of the water-repellent film is 75° or greater, and the contact angle is 75° or greater after the glass article is exposed to a thermal treatment at 760° C. for 4 minutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.