Precipitated silica and process for its manufacture
US11555121B2 · kind B2 · utility
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1References
18Claims
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Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | May 2, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A precipitated silica suitable for thermal insulation applications and a process for its manufacture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.