Process for the preparation of precipitated silicas, precipitated silicas and their uses, in particular for the reinforcement of polymers
US10487213B2 · kind B2 · utility
1Cited by
4References
14Claims
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Key dates
| Filing date | Feb 26, 2015 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Feb 26, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A precipitated silica having a CTAB specific surface in the range of from 50 to 300 m2/g; a BET/CTAB specific surface ratio equal to or greater than 1.3 and comprising at least one polycarboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.