Precipitated silica and process for its manufacture
US12304823B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Dec 3, 2020 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Dec 4, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/12
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A precipitated silica containing are least one element M selected from the group consisting of B, Al, Ga and mixtures thereof and characterized by the presence of specific acid sites on its surface and a process for its manufacture. Said precipitated silica is suitable for multiple applications, for instance as catalyst or catalyst support as well as reinforcing filler in polymeric compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.